Tiger tpg-220 20mm rotary hammer powerful drill machine description:- soft grip for comfortable and fatigue free use, lock-on button for continuous drilling, infinitely variable speed control for easy adjustment of speed, ball grommet to prevent power cord breaks, drill through concrete, metal or wood with this rotary hammer drill from advance. Built to last and deliver high performance, this tool comes with several features and functions that make it easier to use. Key features:- overload clutch for better protection of users and tool in case of jamming drill bit. Auxiliary handle with depth gauge and soft grip for comfortable handling. 2-20 Sds rotary hammer drill 20mm 2mode. Specification:- rated power input - 500w no load speed (rpm) - 850rpm max. Drilling capacity - 20mm.