Description:_x005F_x000D_1,100% brand new and of high quality_x005F_x000D_2,Easy for apply and use_x005F_x000D_3,It can be easily screwed onto an electric grinder and can easily sharpen chains and serrated blades._x005F_x000D_4,High-speed steel grinding heads have features of high hardness, high wear resistance, high heat resistance and impact resistance, so you dont have to worry about it being damaged. _x005F_x000D__x005F_x000D_Specifications:_x005F_x000D_Material: high speed steel._x005F_x000D_Color: Sliver._x005F_x000D_Sharpening attachment length: about 70mm._x005F_x000D_Ruler length: about 70.09mm._x005F_x000D__x005F_x000D_Package include:_x005F_x000D_1*Sharpening attachment._x005F_x000D_3*Polishing tools._x005F_x000D_1*Ruler. _x005F_x000D__x005F_x000D_Note:_x005F_x000D_1. Due to the light and screen difference, the items color may be slightly different from the pictures._x005F_x000D_2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.