Designed for use with electric grinders and rotary tools, this grinding set offers exceptional versatility. Simply attach the mounted points to your tool, and you can easy tackle tasks metal polishing, surface smoothing. Its user-friendly design makes use for a variety of applications. Features -Color:Assorted Color -Material:Corundum, zinc alloy, plastic -Size:4.00X1.00X1.00cm/1.57X0.39X0.39in -material: made from Sturdy red corundum, this grinding set is built to handle tough materials with ease, making longterm reliability -Universal shank size: the 3 mm shank fits a variety of electric grinders, making flexibility and convenience for different grinding applications -Corundum Grinding Burr Bits: restoring their original condition and improving their overall durability -Precision grinding tool: Suit for moldlevel polishing and repair, this set makes smooth, finishes on components -Multipurpose functionality: ideal for use in automotive repair, hardware crafting, and artistic projects, catering to diverse and diy needs Package list: 200 x Grinding head