Technical data of the DED7165 cordless straight grinder: Voltage: 18V Power supply: cordless Speed regulation: yes, 6-stage Rotation speed: 10000-26000RPM Collet: 6mm The DED7165 straight grinder is a useful tool for precise grinding and polishing of materials of various structures and hardness. Features of the DED7165 cordless straight grinder: Brushless motor - increased efficiency with reduced failure rate Adjustable speed - can be adapted to various types of work Soft start - gradual increase in tool speed, minimizing sudden shocks and rapid acceleration Overload and overheating protection - increased safety of use Rubberized, non-slip handle - greater stability and a secure grip Two assembly keys [17mm] included Set: Cordless straight grinder [1 pc] Mounting wrench [2 pcs] **