Description: Designed with 3 speed adjustment, this electric grinder can meet your different needs, which is very practical. Using strong motor design, this electric grinder has high performance and is very useful. USB charging design makes is very convenient for outdoor use. It is constructed of ABS material. The length of this product is 145mm and width is 30mm. It can be used for engraving, cutting, grinding, punching, polishing, rust removal, etc. Item Name: Electric Grinder Material: ABS Battery Capacity: 600mAh Rated Voltage: 4.2V Clamping Range: 0.5-3.2mm Gear Adjustment: 3 Gear Rated Speed: 5000/10000/15000rpm Features: 3-speed Adjustment, USB Charging, Handheld Specification: A (4PC Blister Packaging), B (10PC Plastic Box Packaging) Size Details: L: 145mm/5.71", W: 30mm/1.18"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Electric Grinder (Style A) 1 x Charging Cable 4 x Grinding Accessories or 1 x Electric Grinder (Style B) 1 x Charging Cable 9 x Grinding Accessories