Description:Chain emery grinding head, fine polishing (fine carving / hard textureChain saw chain grinding headCan be used in place of files, making your chain as sharp as ever, without removing the chain when workingDiamond material, made of emery particles, the polishing effect is fine and evenFine carving, hard textureSharp and wear-resistant, smooth wear, smooth and smooth surface, shinyAlloy material, the pole is made of hard alloy with high hardness and wear resistanceProduct Name: Chain Emery Polishing HeadShape: cylindricaldiameter:4mm suitable for chainsaw small 8 chains4.8mm is suitable for small chain saw 325, large 8 chain5.5mm suitable for large chain saw 404 chainShank diameter: 3mmMaterial: EmerySuitable for: electric grinder, electric drill, etc.Mesh number: about 120-150 meshProduct Usage:It is mostly used for grinding chainsaw chains, and also suitable for grinding and polishing jade.mill. The jade carving workpiece is finely ground after polishing.Package Included:10 x Emery grinding head