Atoplee 10pcs 120/150/180/220/240/320/400/600/800/1000# Sharpening Stone Knife Sharpener Size:length 150mm,width 12mm,thickness 6mm Particle size : 001:120#,002:150#,003:180# ,004: 220# ,005:240# ,006:320#, 007:400# , 008:600#, 009:800# ,010:1000# Package Included:10x Sharpening stone Brand new Sharpening stone Suitable for grinding hard materials it is Sharp, abrasion resistance Suitable for mold machining, cutter grinding etc Size:length 150mm Width 12mm Thickness 6mm Particle size : 001:120#,002:150#,003:180# ,004: 220# ,005:240# , 006:320#, 007:400# , 008:600#, 009:800# ,010:1000# Package Included:10x Sharpening stone