Check the listing for details. SCOTTCHEN Diamond Flattening Stone Lapping Plate Double-sided Extra Large 10x3. Condition: New. Listed at 27.47 USD. Thank you for visiting our ebay store! 【Application】This diamond flattening stone is designed to Flat and re-level whetstone、oilstone、waterstone, or be used to re-bevel an edge of hatchet、axe、machete、spade、shears etc. 【Highly recommended】This diamond flattening stone was highly recommended by a YouTube account Oxtoolco (Mr. Tom Lipton) in the YouTube machinist community. Video title: Grandpa’s Swayback Bench Stone Restoration. Video location: 4’30”. 【Special Design】This lapping plate designed with two sided diamond surface plate, With 120 & 180 Grit for each side plate, can achieve different lapping purpose, quick and easy to use. 【Using Tips】This precision sharpening plate can be used in dry or wet condition. Pls be attention to dry it after wet grinding to prevent rust. 【Dimension】L x W x H: 10" x 2-11/16" x 3/8". Material: Diamond、steel and ABS.SCOTTCHEN Diamond Flattening Stone Lapping Plate Double-sided Extra Large 10x3