The Sharpening Stone is perfect for keeping your knives razor-sharp. Made of premium diamond, it is extremely durable and will withstand heavy use. The large size (170*75MM) is perfect for all types of knives. And the Fine Grit (600#) will give you a super-sharp edge that will make slicing and dicing a breeze.
Specifications: Diamond Sharpening Stone 80~3000# There are two sizes under this link 【Have Base】&【No Base】 Keep dry after use This product is suitable for sharpening knives and Apex Edge Size:170x75mm
