1High performance pure copper motor, which has strong power, can afford heavy duty work purpose, greatly enhance the working efficiency 2Spiral suction cooling design, fast heat dissipation function, effectively protect the machine from burning due to improper use. 36step speed from 800033000 rpm allows you to adjust the speed for different purpose, suitable for various work needs. 4The builtin switch effectively prevents the switch from being touched during the process. 5Suitable for cutting, engraving, milling, grinding, polishing, removing and drilling. Item Type: Electric Grinder Material: ABS Color: As shown in the picture Total Length: Approx.27cm / 10.6in Weight: Approx. 1115g / 39.3oz Voltage Specification: 220V, CN Frequency: 50/60Hz Speed: 8000-33000r/min Power: 280W Chuck Diameter: 0.6-6.5mm / 0.02-0.26in Application: Suitable for cutting, engraving, milling, grinding, polishing, removing and drilling 1 x Electric Grinder1 x Large Tightening Wrench1 x Head Cap1. Please allow 12in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Dear customer, please rest assured to buy without worrying about the plug adaption. We will provide an adapter for you according to different country standard and guarantee its normal use.