1、This is a multi-function rotary tool kit for polishing, grinding, sanding and hole drilling. 2、Anti-slip handle with ergonomic design, comfortable grip, easy to operate. 3、High precision collet can clamp various accessories stably. 4、Come with numerous accessories to satisfy your requirement. 5、All parts are packed in a molded box to keep them organized, clean and easy to find. Features: This is a multi-function rotary tool kit for polishing, grinding, sanding and hole drilling. Anti-slip handle with ergonomic design, comfortable grip, easy to operate. High precision collet can clamp various accessories stably. Come with numerous accessories to satisfy your requirement. All parts are packed in a molded box to keep them organized, clean and easy to find. Specification: No Load Speed: 16000rpm Clamping Capability: 1.6-3.2mm Package Weight: 583g (approx.) Package List: 1 x Electric Grinder 1 x Charger 20 x Diamond Grinding Head 9 x Ceramic Grinding Head 3 x Wire Brush 6 x Sandpaper Circle 4 x Wool Felt Disc 4 x Twist Drill Bit 1 x Sandpaper Circle Connection Rod 1 x Wool Disc Connection Rod 2 x Rubber Wheel Connection Rod 3 x Collet 1 x Oilstone 5 x Cutting Disc