ttery Removable covers, effective and debris prevention, can connection to the vacuum equipment. The thickened baffle designs reduces splashes of workpiece debris into the machine, making the operating process safe and effectively extending the lifespans of the machine. The high rotational speed of 20000rpm allows it to provide fast materials removal speeds, saving time and effort and ensuring productive work.High speed, high efficiency with low noise, and fine durability. You can easily adjust the covers without having to use a tool.The housing have holes for high heat dissipation to cool the operating mechanism from overheating. The handle is human engineered with single handed operating and convenient side switches for easy grasping and use.Easily swaps grinding discs with a human-designed spindle lock.