SPECIFICATION Name: Chain saw chain diamond grinding head Shape: Cylindrical grinding head Material: Emery Granularity: 120-150 (mesh) Outer diameter: 4mm four 5 Shank diameter: three (mm) Length: forty five (mm) Scope of application: chainsaw blade jade alloy metal grinding Quantity: 5pcs PACKING LIST 1 Set of File head NOTE Light capturing and various displays may cause the color of the thing in the picture to be barely various from the genuine item The allowable size error is +/- 1-2cm