[ Treatment advantages] - Available in a of grits and abrasives, allowing machinists to achieve specific finishing tolerances as well as a beautiful -grained . [ Burring] - perfect for finishing and deburring simultaneously in one installation. Can be used with almost any rotating spindle. [Silicon Carbide Abrasion] - perfect for mild steel, stainless steel, cast iron and other softer iron materials. Colour:Gray Material:Galvanized carbon steel type:240 mesh Size: 105x260mm Package Contents: 1 x Valve body cylinder grinding brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.