Shipping & Guarantee
We ship orders from Los Angeles, California across the United States and internationally.
• Free shipping in the USA on orders over $ 300
• Flat shipping to Canada — $ 30
• Orders in stock ship within 24 hours
• Average delivery time in the USA — about 5 business days
Backorders:
Some products may be temporarily out of stock.
If an item is marked Backorder, the estimated waiting time is:
30–45 days. This includes production and international logistics.
You will receive an email notification once your order has shipped..
Returns:
We accept returns within 15 days after delivery. To qualify for a return:
• The product must be unused
• The item must be in original packaging
• All components must be included
Please contact us before sending any item back.
Email: ask@usa-market.net
Damaged or Incorrect Orders:
• If you receive a damaged or incorrect product:
• Take photos of the item
• Send them to ask@usa-market.net
Include your order number. We will review your case and offer:
Replacement / Refund / Store credit
• Free shipping in the USA on orders over $ 300
• Flat shipping to Canada — $ 30
• Orders in stock ship within 24 hours
• Average delivery time in the USA — about 5 business days
Backorders:
Some products may be temporarily out of stock.
If an item is marked Backorder, the estimated waiting time is:
30–45 days. This includes production and international logistics.
You will receive an email notification once your order has shipped..
Returns:
We accept returns within 15 days after delivery. To qualify for a return:
• The product must be unused
• The item must be in original packaging
• All components must be included
Please contact us before sending any item back.
Email: ask@usa-market.net
Damaged or Incorrect Orders:
• If you receive a damaged or incorrect product:
• Take photos of the item
• Send them to ask@usa-market.net
Include your order number. We will review your case and offer:
Replacement / Refund / Store credit
Abrasive Products Policy
Sharpening stones and other abrasive products are technical tools.
If an abrasive product has been used, it cannot be returned or refunded.
We recommend carefully reviewing product descriptions before purchase.
If you are unsure which stone to choose, contact our support team.
Refunds:
Once your return is received and inspected:
• Refunds are issued to the original payment method
• Processing time may take up to 10 business days depending on your bank
Return Address:
Returns are accepted only after approval from our support team.
Please contact us before sending any product back.
USA-Market®
Los Angeles, California
United States
If an abrasive product has been used, it cannot be returned or refunded.
We recommend carefully reviewing product descriptions before purchase.
If you are unsure which stone to choose, contact our support team.
Refunds:
Once your return is received and inspected:
• Refunds are issued to the original payment method
• Processing time may take up to 10 business days depending on your bank
Return Address:
Returns are accepted only after approval from our support team.
Please contact us before sending any product back.
USA-Market®
Los Angeles, California
United States
Frequently Asked Questions
Find answers about sharpening stones, knife steels, sharpening systems, and professional sharpening techniques. Our team has been working with sharpening tools since 2010 and we’re happy to help you achieve the perfect edge.
Work with USA-Market® as a Dealer or Distributor. Contact us!
What sharpening stone should I start with?
If you are new to sharpening, we recommend starting with a medium grit stone around 600–1000 grit. This grit is ideal for restoring sharpness and maintaining most kitchen and everyday knives.
For a complete sharpening process many users combine:
– 600–1000 grit for sharpening.
– 2000–3000 grit for refining.
– 6000+ grit for polishing.
Our Best Seller stone sets are designed specifically to cover this full progression.
For a complete sharpening process many users combine:
– 600–1000 grit for sharpening.
– 2000–3000 grit for refining.
– 6000+ grit for polishing.
Our Best Seller stone sets are designed specifically to cover this full progression.
What is the difference between Diamond and CBN stones?
Both abrasives are extremely durable and efficient, but they perform differently.
Diamond stones:
– Aggressive cutting.
– Excellent for hard steels.
– Faster material removal.
CBN stones:
– More consistent scratch pattern.
– Longer lifespan in many cases.
– Very stable during sharpening.
Many professional sharpeners prefer CBN stones for precision sharpening, while diamond stones are excellent for fast stock removal.
Diamond stones:
– Aggressive cutting.
– Excellent for hard steels.
– Faster material removal.
CBN stones:
– More consistent scratch pattern.
– Longer lifespan in many cases.
– Very stable during sharpening.
Many professional sharpeners prefer CBN stones for precision sharpening, while diamond stones are excellent for fast stock removal.
What sharpening angle should I use?
The sharpening angle determines both sharpness and durability.
Typical angles:
– 12–15° per side — very sharp, ideal for Japanese knives.
– 15–18° per side — best balance for most kitchen knives.
– 20° per side — stronger edge for outdoor and utility knives.
Using a guided sharpening system like SharpX helps maintain the exact angle for consistent results.
Typical angles:
– 12–15° per side — very sharp, ideal for Japanese knives.
– 15–18° per side — best balance for most kitchen knives.
– 20° per side — stronger edge for outdoor and utility knives.
Using a guided sharpening system like SharpX helps maintain the exact angle for consistent results.
How often should knives be sharpened?
This depends on how often the knife is used.
Typical recommendations:
– Home kitchen knives: every 2–3 months
– Professional chefs: every 2–4 weeks
– Outdoor knives: when performance drops.
Regular maintenance with fine stones or strops will extend the time between full sharpenings.
Typical recommendations:
– Home kitchen knives: every 2–3 months
– Professional chefs: every 2–4 weeks
– Outdoor knives: when performance drops.
Regular maintenance with fine stones or strops will extend the time between full sharpenings.
Do I need a sharpening system or can I sharpen freehand?
Both methods work, but they serve different users.
Freehand sharpening:
– Traditional method.
– Requires practice.
– Maximum flexibility.
Guided sharpening systems:
– Perfect angle control.
– Consistent results.
– Much easier for beginners.
Many enthusiasts choose systems like SharpX because they allow professional results even without years of experience.
Freehand sharpening:
– Traditional method.
– Requires practice.
– Maximum flexibility.
Guided sharpening systems:
– Perfect angle control.
– Consistent results.
– Much easier for beginners.
Many enthusiasts choose systems like SharpX because they allow professional results even without years of experience.
What is Californian San Mai Steel?
Californian San Mai Steel is our proprietary blade construction developed in California.
It combines:
– a high-hardness cutting core for excellent edge retention.
– protective outer layers that improve durability and corrosion resistance.
This multi-layer construction creates blades that are both extremely sharp and highly resilient, making them ideal for everyday use and professional kitchens.
How do I know when my knife is fully sharpened?
The most reliable indicator is the formation of a burr along the entire edge.
Signs that sharpening is complete:
– a burr can be felt along the edge.
– the scratch pattern is consistent.
– the knife cleanly slices paper or tomato skin.
Advanced users often inspect the edge with a sharpening microscope to achieve perfect results.
It combines:
– a high-hardness cutting core for excellent edge retention.
– protective outer layers that improve durability and corrosion resistance.
This multi-layer construction creates blades that are both extremely sharp and highly resilient, making them ideal for everyday use and professional kitchens.
How do I know when my knife is fully sharpened?
The most reliable indicator is the formation of a burr along the entire edge.
Signs that sharpening is complete:
– a burr can be felt along the edge.
– the scratch pattern is consistent.
– the knife cleanly slices paper or tomato skin.
Advanced users often inspect the edge with a sharpening microscope to achieve perfect results.