Features 1、 1. Clamping range: 2015 drill chuck 0.8-1.5mm, 2032 drill chuck 2.5-3.2mm. 2、 2. The scope of application is very wide, fast grinding, fast derusting, fast carving. 3、 3. Clean the diamond, cooperate with the electric brush grinding head, clean and maintain. 4、 4. Auxiliary cutting of light materials such as wood and cans. 5、 5. Auxiliary drilling, replacement of drill chuck, small electric grinder to electric drill. 6、 Specification Product name: Multi-functional fine electric grinder Type: Miniature mini electric drill electric grinder miniature engraving pen Power supply type: AC power supply Power supply voltage: 5v Rated output power: 10 (W) Electric drill structure: straight type Is the speed of the electric drill adjustable: No Drill bit clamping method: quick chuck Scope of application: Pearl punching, Wenwan cleaning, polishing, engraving and polishing, DIY manual auxiliary power tools, auxiliary cutting Chuck diameter: 1.2 (mm) Maximum diameter of drill bit: 1.2 (mm) Rated speed: 8000 (rpm) Drilling capacity-wood: 10 (mm) Drilling capacity-aluminum: 0.8 (mm) Drilling capacity-steel: 0.5 (mm) Weight: 0.5 (kg) Dimensions: length 9cm, width 2.5cm Standard accessories: Quick chuck, 180 brushless motor, Aluminum plated oxide housing, Toggle switch, Power supply rear seat Series: Red 180 mini mini electric drill electric grinder tool Mode of operation: handheld Package included: 1 * Grinding machine 1 * Drill chuck 3 * 1.0 drill bit 1 * Hexagon screwdriver 1 * Data cable Package List