Additional data Rated input power 500 W Weight 1.5 kg Bit holder 3/8"-24 UNF No-load speed, 1st gear 0 2,600 rpm Power output 250 W Impact rate at no-load speed 0 41,600 bpm Drill spindle connecting thread 3/8"-24 UNF Chuck capacity, min./max. 1.5 10 mm