Atoma

Atoma Diamond Sharpener Medium #400 – Precision Diamond Sharpening

High-performance kitchen and dining made for confident daily results

$68.76

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium kitchen and dining quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose Oico Home, Kitchen and Dining

Meet the Atoma Diamond Sharpener Medium – #400

The Atoma Diamond Sharpener Medium - #400 is a compact, purpose-built tool designed for steady, controlled blade maintenance. Its mid-rough diamond grit is crafted to refresh dull edges with a predictable feel, whether you’re at the kitchen counter or in the workshop.

Key specs

  • Grit: Medium Rough #400
  • Type: Diamond
  • Size: 8" x 2.77" x .32" H

Everyday uses

  • Restore kitchen knives, chisels, and small tools with balanced action and reliable feedback.
  • Compact profile fits neatly into a workstation drawer or tool bag, ready when you need it.

What to expect in practice

Expect a controllable sharpening experience, with steady resistance as the diamond surface works. The edge you regain tends to improve with deliberate, repeatable passes. The enduring diamond surface supports consistent results over time, making it a dependable part of a sharpening routine.

Benefits you may notice

  • Precise edge geometry with minimal risk of over-grinding
  • Durable diamond surface designed for repeated use
  • Slim, ergonomic profile for comfortable handling

How to use

  1. Place the sharpener on a stable surface.
  2. Hold the blade at a consistent angle and draw it across the diamond surface in smooth passes.
  3. Check the edge and repeat as needed until you’re satisfied with the sharpness.

Note: This description describes tools for edge maintenance and does not guarantee specific results. Performance varies with blade condition and technique.

FAQ

Q: What blades can I sharpen with the Atoma Diamond Sharpener Medium - #400?

A: Suitable for kitchen knives, chisels, and small tools with the medium diamond grit.

Q: How should I care for the Atoma sharpener to maximize its life?

A: Wipe dry after use, store in a protective case, and avoid overheating the surface.