Ginsu customers may need help with a damaged knife, warranty claim, dull blade, rust or staining, knife-care question, missing product information, sharpening service, or another cutlery issue. Ginsu provides an online contact form and also maintains customer-service and warranty support through Scott Fetzer Consumer Brands.
Ginsu Customer Service Contact Information
- Ginsu Customer Service Phone: 1-833-554-4678
- Customer Service Email: ginsucs@sfconsumerbrands.com
- Official Contact Form: Contact Ginsu
- Care and Use Information: Ginsu Care & Use
- Frequently Asked Questions: Ginsu FAQs
- Warranty Correspondence: GINSU, 101 Production Dr., Harrison, OH 45030
- Official Website: Ginsu.com
Ginsu’s current public Contact page does not publish regular customer-service hours. Customers should therefore avoid relying on older listings that claim a specific Monday-Friday telephone schedule unless Ginsu confirms those hours directly.
For most product questions, warranty claims, or damaged-knife concerns, begin with the official Ginsu contact form or customer-service email.
Best Ginsu Support Route by Issue
- Broken or defective knife: Contact Ginsu Customer Service before mailing the knife.
- Warranty claim: Email ginsucs@sfconsumerbrands.com or call 1-833-554-4678 and follow the instructions provided.
- Dull fine-edge knife: Review Ginsu’s Care & Use page and KnifeAid sharpening option.
- Kiso or Essentials serrated slicer: Check Ginsu’s sharpening restrictions before sending the knife to an outside sharpening service.
- Rust or staining: Identify the knife series and review its specific cleaning instructions.
- Retailer return: Contact the store or website that processed the original transaction.
- Missing or incorrect retailer shipment: Start with the retailer rather than Ginsu warranty support.
- Unknown product or knife series: Check the markings on the blade and send photographs through Ginsu support.
Information to Have Before Contacting Ginsu
Gather the information relevant to the problem:
- Knife or cutlery series
- Individual knife type
- Purchase date
- Retailer where the product was purchased
- Receipt or proof of purchase when available
- Description of the defect
- Photographs of the knife or damaged area
- Whether the product has been sharpened previously
- How the knife has been cleaned and stored
- The replacement, warranty review, or other resolution requested
Do not post your home address, complete order information, payment details, private correspondence, or other sensitive information in a public review.
Ginsu Warranty Information
Warranty coverage depends on the specific Ginsu product line.
Current Ginsu product pages confirm that Chikara Series knives are backed by a Lifetime Limited Warranty.
Ginsu warranty documentation also identifies different terms for other product families.
Examples include:
- Chikara Series: Limited Lifetime Warranty
- Koden Series: Limited Lifetime Warranty
- Kotta Series: Limited Lifetime Warranty
- Essential Series: Limited Lifetime Warranty
- Quikut and Nuri Series: Limited one-year warranty in published warranty materials
Some Ginsu materials also identify lifetime limited coverage for Kiso and Daku cutlery.
Because Ginsu has sold many product lines over several decades, check the warranty supplied with the exact knife rather than assuming every Ginsu product has identical coverage.
What Does the Ginsu Lifetime Limited Warranty Cover?
Ginsu’s published warranty materials describe qualifying knives as warranted against defects in materials and workmanship for the applicable warranty period.
A limited warranty does not necessarily cover every type of damage.
Problems caused by conditions such as:
- Normal wear
- Negligence
- Misuse
- Abuse
- Commercial or institutional use
- Using the knife for purposes other than ordinary household use
may be excluded.
Contact Ginsu before assuming a damaged knife qualifies for replacement.
How to Start a Ginsu Warranty Claim
For a potential warranty problem:
- Identify the Ginsu knife series and model.
- Keep the knife.
- Take clear photographs of the problem.
- Locate the receipt or proof of purchase when available.
- Email ginsucs@sfconsumerbrands.com, call 1-833-554-4678, or use the official contact form.
- Describe the problem and provide the requested contact information.
- Wait for Ginsu’s instructions before mailing the product.
Do not automatically mail a knife to Ginsu before receiving instructions. Published warranty materials specifically advise customers to contact Customer Service first because Ginsu may request photographs or other information before deciding whether the physical product needs to be returned.
If Ginsu instructs you to mail a product, confirm the current address and packaging instructions before shipping.
Ginsu Warranty Address
Current Ginsu warranty materials use:
GINSU
101 Production Dr.
Harrison, OH 45030
This replaces the 2031 S. 54th Street, Suite 200, Rogers, Arkansas address previously shown on this CustomerServiceNumbers.com page.
Do not send a knife to this address without first contacting Ginsu and receiving current warranty instructions.
Can Ginsu Knives Be Sharpened?
Yes, but sharpening recommendations depend on the blade.
Ginsu currently partners with KnifeAid, a professional knife-sharpening service.
Ginsu states that KnifeAid can sharpen eligible:
- Chikara knives
- Santoku-style knives
- Original Slicer blades
Ginsu currently offers customers who reach KnifeAid through its official Care & Use page an automatically applied 15% sharpening discount.
Not every Ginsu blade is included.
Ginsu specifically states that Kiso and Essentials Original Slicers are not included in this sharpening service.
Use the official Care & Use page before sending a serrated or specialty Ginsu knife for sharpening.
Ginsu Chikara Knife Care
Ginsu describes Chikara knives as forged from Japanese stainless steel and recommends treating them as fine cutlery.
For Chikara knives, hand washing is the better care method.
To help maintain a fine edge:
- Wash the blade soon after use.
- Use mild dish soap.
- Dry the knife thoroughly.
- Store it in a block or other protective storage system.
- Avoid leaving the knife soaking in water.
- Use an appropriate cutting surface.
Ginsu provides separate sharpening guidance for Chikara fine-edge knives through its Care & Use page.
Are Ginsu Knives Dishwasher Safe?
It depends on the knife series.
Ginsu specifically describes its current Kiso knives as dishwasher safe.
The company’s Care & Use information notes that Kiso and Essential products can be identified in part by “dishwasher safe” wording on the blade.
Fine-edge products such as Chikara knives should be treated more carefully, and Ginsu states that hand washing is best for its Chikara cutlery.
Always follow the instructions supplied with the exact knife.
What If a Ginsu Knife Is Rusting?
If a knife develops staining or rust:
- Identify the series.
- Review the proper cleaning method for that knife.
- Stop using harsh cleaners or abrasive materials that could damage the blade.
- Dry the knife completely after cleaning.
- Photograph significant corrosion.
- Contact Ginsu if you believe the condition represents a manufacturing defect.
Stainless steel is designed to resist staining and corrosion, but “stainless” does not necessarily mean that a blade can never develop staining under every storage or cleaning condition.
Warranty eligibility depends on Ginsu’s evaluation of the product and applicable warranty.
Ginsu Serrated Knives
Ginsu became particularly well known for serrated cutting edges marketed as staying sharp for long periods.
Do not use a standard flat sharpening method on a serrated knife unless the manufacturer’s instructions specifically permit it.
Improper sharpening can alter the serrations and affect cutting performance.
If you are unsure whether a Ginsu knife should be sharpened, contact Customer Service or review the Care & Use section first.
Ginsu Products Purchased From Another Retailer
Ginsu products are sold through outside retailers as well as through Ginsu-branded channels.
For an issue involving:
- Shipping
- Wrong item
- Missing order
- Retail price
- Store pickup
- An ordinary return shortly after purchase
contact the retailer that processed the transaction first.
For a manufacturing defect or Ginsu warranty issue, contact Ginsu Customer Service.
Keep the retailer receipt because proof of purchase may be useful or required for certain warranty claims.
Ginsu Returns and Refunds
Ginsu’s current public website does not prominently publish a universal return period that should be applied to every purchase from every seller.
Return rights can depend on where the product was purchased.
For a retail purchase, use the retailer’s current return policy.
For a product defect, contact Ginsu about warranty service.
Do not assume a lifetime limited warranty automatically means a cash refund. Warranty remedies can involve repair, replacement, exchange, or another resolution under the applicable warranty terms.
Ginsu Product Safety
Kitchen knives are inherently sharp and should be handled and stored carefully.
Basic precautions include:
- Keep knives away from children.
- Never attempt to catch a falling knife.
- Cut away from your body.
- Use a stable cutting board.
- Do not leave knives loose in a sink where the blade cannot be seen.
- Store knives so exposed blades cannot be contacted accidentally.
- Package blades securely if Ginsu instructs you to return them.
A damaged, cracked, or loose knife handle should be evaluated before continued use.
Ginsu Proposition 65 Warnings
Ginsu’s current FAQ discusses California Proposition 65 warning labels that may appear on some products.
A Proposition 65 warning does not by itself mean that a product has been recalled.
California law requires warnings for exposures to chemicals listed by the state under specified circumstances.
Customers with questions about a warning on a particular Ginsu product can contact the company through its official support channels.
Who Owns Ginsu?
Ginsu is associated with Scott Fetzer Consumer Brands and The Scott Fetzer Company.
Ginsu customer-service email addresses use the `sfconsumerbrands.com` domain, and other current Scott Fetzer Consumer Brands sites identify Ginsu as part of the same consumer-brand organization.
The Scott Fetzer Companies are part of Berkshire Hathaway.
For ordinary Ginsu knife, warranty, sharpening, or product issues, customers should use Ginsu Customer Service rather than contacting Berkshire Hathaway.
How to Escalate a Ginsu Customer Service Problem
If the first contact does not resolve the issue:
- Gather photographs, product information, proof of purchase, and previous correspondence.
- Use Ginsu’s official contact form.
- Email ginsucs@sfconsumerbrands.com.
- Call 1-833-554-4678.
- Clearly state whether you are requesting warranty review, replacement, sharpening guidance, or another resolution.
- Keep the product until Customer Service explains what to do with it.
- Save any case information and shipping instructions.
- Follow up through the same support conversation if a promised resolution does not occur.
Ginsu Customer Service Reviews and Complaints
CustomerServiceNumbers.com currently shows 0 out of 5 stars based on 0 Ginsu reviews.
Because no customer reviews have been submitted on this page, there is not enough CustomerServiceNumbers.com feedback to identify current praise or complaint patterns involving Ginsu knife sharpness, durability, rust, warranty claims, sharpening, shipping, or customer support.
If you have recently contacted Ginsu, you can share your experience below. Helpful reviews identify the knife or product involved, the support route used, how Ginsu responded, and whether the problem was resolved.
Frequently Asked Questions
What is the Ginsu customer service phone number?
Current Ginsu/Scott Fetzer Consumer Brands warranty-support materials list 1-833-554-4678.
What is the Ginsu customer service email?
Current warranty and customer-service materials use ginsucs@sfconsumerbrands.com. Customers can also use the official Ginsu.com contact form.
What are Ginsu customer service hours?
Ginsu’s current public contact page does not publish standard customer-service hours. Older listings should not be relied upon for current telephone availability unless Ginsu confirms them directly.
Does Ginsu have a lifetime warranty?
Several Ginsu knife lines have limited lifetime warranty coverage, including the current Chikara line. Other series can have different warranty periods, so check the terms for the exact product.
How do I make a Ginsu warranty claim?
Contact Ginsu before shipping the product. Provide the knife model, contact information, description of the issue, photographs when possible, and proof of purchase when required.
Where do I send a Ginsu warranty claim?
Current warranty materials use GINSU, 101 Production Dr., Harrison, OH 45030. Do not mail a knife until Ginsu Customer Service provides instructions.
Can Ginsu sharpen my knives?
Ginsu currently partners with KnifeAid for professional sharpening of eligible Chikara, Santoku-style, and Original Slicer blades. Kiso and Essentials Original Slicers are excluded from that service.
Are Ginsu knives dishwasher safe?
Some series are. Ginsu specifically describes Kiso knives as dishwasher safe. Fine-edge Chikara knives are better hand washed. Follow the care instructions for the exact series.
Who owns Ginsu?
Ginsu is part of Scott Fetzer Consumer Brands/The Scott Fetzer Company, which is within Berkshire Hathaway.
Related Customer Service Pages
Why Trust CustomerServiceNumbers.com?
CustomerServiceNumbers.com has helped consumers locate customer-service information and share customer experiences since 2004. This website is independent and is not owned or operated by Ginsu, Scott Fetzer Consumer Brands, The Scott Fetzer Company, Berkshire Hathaway, KnifeAid, or any retailer selling Ginsu products.
The purpose of this page is to help customers find current support routes for Ginsu knives, warranty claims, sharpening, product care, damaged cutlery, and customer-service complaints.
Share Your Ginsu Customer Service Experience
If you have contacted Ginsu about a knife set, dull blade, rust, damaged handle, manufacturing defect, warranty claim, sharpening question, or another customer-service issue, describe the product involved, support route used, response received, and whether the issue was resolved.
Privacy warning: Do not post complete order numbers, payment information, home addresses, private correspondence, claim information, or other sensitive personal information.
Customer Service Information Disclaimer
CustomerServiceNumbers.com is an independent information and review website and is not affiliated with Ginsu, Scott Fetzer Consumer Brands, The Scott Fetzer Company, Berkshire Hathaway, KnifeAid, or any Ginsu retailer. CustomerServiceNumbers.com cannot process Ginsu warranty claims, sharpen knives, issue refunds, replace products, approve warranty coverage, or act on behalf of Ginsu.
Customer-service contacts, warranty terms, sharpening options, product lines, care instructions, and retailer policies can change. Verify important information through Ginsu.com and the warranty documentation supplied with the exact product.