demolition hammer MOD:3016 (ZIA-TK-16-30), Impact times 1300/min, Rated input power 1750W Impact energy ... 45J Popular model MOD:3016 ZIA-TK-16-30 demolition hammer Rated power input1700W Impact rate at rated speed1300rpm ... reduce vibration into low ,comfortable operation . 1750W demolition hammer 16-30