It is a kind of multi-functional grinding tool, with more stable and smooth operation, and long service life. It adopts brushless motor, which generate no sparks during operation, and the motor is not wear-out, can ensure long working time. High speed of 19,500 rpm. / min ensures reliable and productive operation. It can be used for surface conditioning and grinding or cutting iron and DIY such as cutting and polishing ceramic tiles, wood, stone, steel etc. Characteristics: It adopts brushless motor, which generate no sparks during operation, and the motor is not wear-out, can ensure long working time. High speed of 19,500 rpm. / min ensures reliable and productive operation. High speed, high efficiency with low noise, with excellent durability. Easy replacement of the grinding wheels thanks to the humanized spindle lock. Consistent with human engineering handle design, one-handed operation, convenient side toggle switch for easy grasping and use. Thickened baffle design reduces the workpiece residue spraying into the machine, makes it safer and can effectively extend the service life of the machine. You can easily adjust the protective cover without the need for tools. There are vents on the case, high heat dissipation to cool the drive mechanism from overheating. It can be used for surface conditioning and grinding or cutting iron and for DIY. Widely use, perfect for polishing, grinding and cutting ceramic tile, wood, stone, steel etc. Technical data: Name: Electric Grinding Tool Machine material: ABS metal; Type: 2 pcs. The battery Battery: 2 pcs The battery 2 pcs. battery: 2 * 12V, 3900mAh battery (included) Rated voltage: 12V Rotation speed: 19500 rpm / min Grinding spindle thread: M5 Saw blade: diameter 76mm, bore 10mm Product size: 216 * 105 * 71mm / 8.50 * 4.13 * 2.80in Item weight: 868g / 1.91lb Package size: 270 * 140 * 90mm / 10.63 * 5.51 * 3.54in Package weight: 1016g / 2.24lb Packing List: 1 * Electric Grinding Tool; 2 * battery 1 * Adapter 1 * Guidelines 2 * cutting disc