SCOTTCHEN Diamond Flattening Stone Lapping Plate – Double-Sided, Extra Large 10x3 in (120 & 180 Grit)

Precision sharpening starts with a true surface

The SCOTTCHEN Diamond Flattening Stone is a double‑sided lapping plate engineered to restore flatness and level across your sharpening setup. With a dedicated 120 grit face on one side and a 180 grit face on the other, this plate lets you tailor the texture to the task at hand, helping you maintain true reference surfaces for wheels, stones, and tools.

Designed for versatility, the plate measures a generous 10 inches by 2-11/16 inches with a compact 3/8 inch profile. The three‑part construction—diamond, steel, and ABS housing—offers a sturdy, long‑lasting work surface in busy workshops or home setups. The combination of grit and surface area enables efficient flattening, re‑leveling, and subtle edge work without requiring multiple separate tools.

Key capabilities

• Double‑sided surface with 120 grit on one face and 180 grit on the other for flexible leveling
• Flatting and re‑leveling of whetstones, oilstones, and waterstones
• Re‑beveling edges on common tools such as hatchets, axes, machetes, spades, and shears
• Suitable for wet or dry sharpening; dry after use to help prevent rust

Practical use cases

Imagine bringing a curled waterstone back to a true plane, improving contact and cutting performance. In a workshop or on a bench, this plate provides a stable, flat reference surface for consistent tool care and maintenance.

• Restores flatness on stones with hollow spots or bumps
• Supports precise edge work on edged tools by re‑beveling or refining profiles
• Portable and easy to integrate into existing sharpening routines

Note: Use with appropriate water or lubricant for stone care, and ensure the plate is dried after wet use to minimize rust risk. The design has earned recognition within machinist communities for delivering practical, reliable flattening performance.