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Kuniyoshi
Kuniyoshi Ultimate Japanese Knife Rust Eraser Premium Metal Stain And Dirt Remover Made In Japan 3 Piece Set
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Kuniyoshi Ultimate Japanese Knife Rust Eraser Premium Metal Stain And Dirt Remover Made In Japan 3 Piece Set
Buyer Protection - Order delivered not as described? Full refund — guaranteed.
Earn 3% 🪙 Dropy Coins on every order
COD available to Maharashtra ₹499 – ₹2,489
Active Offers
Estimated delivery between October 10 and October 10.
Return, Refund & Cancellation Policy
Refund, Return & Cancellation Policy
Effective Date: September 14, 2026
Cancellation Policy
- Cancellation Window — Orders can only be cancelled within 24 hours of placing the order. After 24 hours, cancellation requests will not be accepted as the order enters our sourcing and shipping pipeline.
- Cancellation Refund — All cancellation refunds are issued as Dropy Store Credit only, not to the original payment method. Store credit has no minimum spend, no expiry, and can be used in full on any single order at dropy.in. If the customer requests a refund to the original payment method instead of store credit, a 5% processing fee will be deducted from the refund amount to cover payment gateway and administrative charges.
High-Value Orders (Above ₹10,000)
For orders above ₹10,000 where a partial advance payment is collected:
- Order cancellation is allowed only within 24 hours of placing the order.
- After 24 hours, the advance amount will not be refunded, as procurement of the product is initiated immediately.
Buyer Protection
Order delivered not as described? Full refund — guaranteed. If the product you receive does not match what is shown or described on dropy.in — including wrong product, different variant, missing components, or significantly different appearance — we will issue a full refund to your original payment method. No 5% processing fee. No store credit restriction. No questions asked. Simply send product images for verification to [email protected] or WhatsApp +91 98679 96311 within 3 days of delivery.
Return Policy
- Return Window — You have 3 days after receiving your item to report an issue.
- Return Eligibility — Returns are accepted only for products that arrive damaged, defective, or incorrect. Returns for personal reasons or change of mind are not accepted.
- Non-Returnable Items — The following categories cannot be returned under any circumstances: supplements, beauty products, personal care items, hygiene products, food items, perishable goods, gift cards, custom/personalized products, hazardous materials, flammable liquids or gases.
- Food Items — Returns are not accepted for food items. However, in rare cases where there is a genuine product quality concern, our team will assess and may offer reshipping as a resolution.
How to Report a Damaged/Defective/Wrong Item
- Email [email protected] or WhatsApp us at +91 98679 96311 within 3 days of delivery with your order number.
- Attach clear photos of the product from all sides showing the damage or defect.
- Attach an unboxing video clearly showing the issue.
- Include a short description of the problem.
- Our team verifies your submission against the packing video recorded for your order at dispatch.
- Once verified and approved, we will either send a free replacement or issue a full refund — at our discretion.
Return Shipping
- Damaged/Defective/Wrong items — Free. We arrange and pay for the reverse pickup.
- All other approved returns — Return shipping is borne by the customer.
- Items sent back without an approved return request will not be accepted.
Refund Policy
- For cancellations — Refunds are issued as Dropy Store Credit only by default. If the customer requests a refund to the original payment method, a 5% processing fee will be deducted from the refund amount to cover payment gateway and administrative charges.
- For damaged/defective/wrong items — After we receive and inspect your approved return, refunds are issued as Dropy Store Credit by default. If the customer requests a refund to the original payment method, a 5% processing fee will be deducted from the refund amount.
- For Buyer Protection claims — Full refund to original payment method. No processing fee. No store credit restriction.
- For delayed orders — If your order is not delivered within 30 days of the order date, you may request a full refund to your original payment method. No store credit restriction and no processing fee applies in this case.
- Refund Timeline — All refunds are processed within 7–10 business days after approval. Banks may take additional time to post it. If more than 15 business days pass after approval, contact us.
Policy Abuse
Dropy reserves the right to refuse service, reject return/refund requests, or restrict future orders for any customer found misusing the return, refund, or replacement policy. This includes but is not limited to: repeated false damage claims, frequent cancellations, filing chargebacks without contacting support, threatening or intimidating our team to force policy exceptions, posting or threatening to post false/misleading reviews or social media content to pressure a refund or return approval, spamming our support channels or public platforms, or any behaviour deemed fraudulent, defamatory, or abusive. In such cases, Dropy reserves the right to pursue appropriate legal action to protect its brand and business interests.
Return Address
Godown No. 7, Chawla Warehouse, Plot No. 44-9, Sector 18, Macfo Market, Vashi, Navi Mumbai, Thane, Maharashtra 400705. Please do not send purchases back to the manufacturer.
Contact
Email: [email protected] · WhatsApp: +91 98679 96311
Trusted by Customers
30-Day Easy Returns
Dedicated Customer Support
COD Available
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Real Customer Reviews
Ashutosh
This was perhaps one of the best supplements ive ordered online. Really affordable, delivered in 5 days and got a free gift will be ordering again so keep expecting me guys
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Lightweight Retinal Serum for a Smoother-Looking Complexion.
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NEHA KAPOOR
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For best results, wet the rust eraser slightly with water before use. Gently rub the eraser back and forth over the rusted or stained area, following the grain or existing scratch pattern of the metal. Apply consistent pressure until the rust is removed. Once finished, rinse the knife thoroughly and dry it completely with a soft cloth to prevent future oxidation.
Generic High-grade elastic rubber, Abrasive grit (Medium/Fine), Bonding agents
Necessary items if your knives are high carbon steel. We all know the benefits of using high carbon steel for our knives at work. The downfall of using blades which can be sharpened to greater than scalpel sharp is that they are suseptible to rapid flash rusting. These abrasive erasers eliminate the rusting as well as being able to get at the rust that forms in the small pits that form if the blade is left to its own devices and you forget to wipe it off immediately after using it.
I have a set of Shapton glass sharpening stones that I use these rust erasers on. They do a fantastic job of removing the metal load up from the surface of the stone very quickly. This keeps the stone cutting smoothly and fast. The white/medium rust eraser works extremely well for this purpose. The finer eraser takes around twice as many strokes to clean the stone, but it still works. The coarse rust eraser would leave too rough of a surface finish on the stones, but it may be suitable for use on a very coarse stone.Before I tried the rust eraser, my typical process was to use a diamond lapping plate to both flatten and clear the metal load up from my stones. This works fine, but the downside is that these stones are quite hard and will load up with metal much quicker than they go out of flatness. If you're using a lapping plate every time you need to clean the stone, you are wearing off more of the stone than is necessary. It is also slower than using the rust eraser.In my previous process, I would flatten each stone after sharpening every 1-2 knives. My new process which is much quicker and I like much better is to use the rust eraser between every knife to maintain a good surface on the stone and to only flatten when needed (every 5-10 knives).I also have a knife with a couple of small rust stains and these stones removed that discoloration quickly.I have about $500 invested in my sharpening setup and I think the rust eraser brings the most value to my sharpening process per dollar spent.
Great little invention, just rub across the rust and it disappeared. Works great as expected
These are great little rust erasers for my Japanese knives! The red labeled one is fine, white is medium, and blue is coarse. The red one is great for daily maintenance/cleaning. Always be careful and check your work so you don't end up scratching up your knives!
These are really great for buffing out rust, minor scratches, or other surface inconsistencies where sanding or grinding would be overkill or impractical. Thanks.
FAQs
How to use a Japanese knife rust eraser?
Apply a small amount of water to the eraser and rub it gently against the rusted spots on your blade. Always move in the direction of the metal's grain to avoid creating new scratches. Rinse and dry your knife immediately after cleaning.
Can this eraser be used on both stainless steel and carbon steel?
Yes, the Kuniyoshi rust eraser is safe and effective for both stainless steel and high-carbon steel surfaces. It is designed to lift surface oxidation without damaging the structural integrity of the blade.
Does this tool sharpen the knife while removing rust?
No, this tool is specifically for cleaning and rust removal rather than sharpening the edge. While it cleans the surface, you should still use a whetstone for maintaining the knife's sharpness.
Where can I buy authentic Kuniyoshi products in India?
You can purchase genuine Kuniyoshi products through Dropy India. We specialize in authentic USA-imported goods, ensuring that you receive high-quality Japanese tools sourced directly from reliable international suppliers.
Will this eraser scratch my knife?
This eraser contains a fine abrasive grit designed to remove surface imperfections. While it restores the shine, it may leave a matte finish or fine scratch pattern, so it is best to test on a small area and always rub in the direction of the metal grain.
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