Detailed Product Description Impact drill,drill bit,hss drill,fully ground drillHammer drill ET01324ID Rated power 900w, No -load speed 3700rpm, Chuck size 13mmConcrete 13mmSteel 13mm Wood 16mmimpacting frequency 0-24000/0-56000r/minNet weigt 2.9kgs2-speed mechanical impact drill, strong gears, heavy duty, double injection handle