Description Mini multifunction electric grinder Grinding, polishing, cutting, engraving, drilling and cleaning Exquisite carving is made in a single machine, literary and multi-functional engraving Engraving / grinding / drilling / cutting / cleaning / polishing Chuck: preferably industrial grade three-jaw steel chuck, clamping range 0.3-4mm Spindle: The motor drives the spindle rotation, and the imported bearing rotates stably at high speed Metal body: matte design, non-slip and comfortable Power switch: portable switch, comfortable to use, easy to use Power interface: no speed control function, speed 12000130003MN Note: The gap between the drill chuck determines the tightness of the drill chuck to clamp the grinding head. When the grinding head is placed in the drill chuck, it should be clamped as much as possible to reduce the gap as small as possible. If the hand force is not strong enough or you cannot screw it directly, you can use two clamp bars to clamp the two parts of the drill chuck, and then force it in the opposite direction to clamp it. Area of use: wood cutting Engraving and polishing wood drilling pay attention to things Used for polishing metal and non-metal surfaces, with deburring, rust removal, etc. Engine model: 385 engine Model: [Full set] Neutral color box (electric grinder + 10 drill bits + 30pc grinding needle) + blister 105pc electric grinder accessories(10 sets of 0.8-3.0mm drill bit specifications: 0.8/1.0/1.2/1.5/1.8/2.0/2.2/2.5/2.8/3.0mm) Power supply type: plug-in power supply; Supply voltage: 220V Input power: 2A No load speed: 5000 (rpm) Speed change: stepless speed change Grinding head diameter: 0.3-4 (mm) Chuck size: 6mm Accessories: 3mm rod diameter Power cord length: 2.13 (m) Electric grinder body size: 12*3*3cm Applicable object: jade Input Voltage: AC (alternating current) 100-240V Output voltage: DC (direct current) 3V-12V 2A Input current: 2A 2000 MA Product interface: outer diameter 5.5mm * inner diameter 2.5mm Plug: American standard plug Line length: AC line length 120CM DC cable length: 93CM Please allow slight deviation in the measurement data and make sure you don't mind before ordering.