Powerful D-grip 22V cordless rotary hammer with superior concrete drilling and chipping performance Weight according EPTA-Procedure 01/2003 without battery: 8.2 lb. Optimum Hammer drilling range: 1/4 - 5/8 in Hammer drilling diameter range: 5/32 - 25/32 in TECHNICAL DATA Weight according EPTA-Procedure 01/2003 without battery 8.2 lb. Optimum Hammer drilling range 1/4 - 5/8 in Hammer drilling diameter range 5/32 - 25/32 in Single impact energy 1.8 ft-lbs Hammer drilling RPM 1050 rpm Full hammering frequency 5100 impacts/minute Functionality Active Vibration Reduction (AVR), Removable chuck, Working light LED, Reverse mode, Depth gauge Triaxial vibration for chiseling into concrete 10.9 m/s² 1 A-weighted emission sound power level 100 dB (A) 2 A-weighted emission sound pressure level 89 dB (A) 3 Dust removal system available TE DRS-6-A, TE DRS-D, TE DRS-S, DCD