Cordless Angle Grinder With Brushless Motor KROST 21V Lithium-ion cordless angle grinder gives you the freedom to work without cord limit, with brushless motor, more powerful, efficient performance, and longer runtime.2 Variable Speeds and 20+3 Torque Setting, The reverse switch on the body of the cordless drill "KROST PRO Series Multi-Use Combo Kit, Cordless Impact Drill, Angle Grinder, Impact Wrench,Rotary Hammer,Chainsaw,Pruning Shear, Brushless Motor with 2 pcs Batteries and Fast Charger"