GBH 18V-22 X Professional Cordless Rotary Hammer with ONECHUCK Order number 0.611.924.170 ONECHUCK - A single chuck that can fit SDS-plus, cylindrical and hex dill bits for your wide range of applications Dust-free work condition with Auto Power GDE 18V-12 / GDE 12 extractor attachment Increased user's protection against accidental jams thanks to KickBack Control More holes per charge and continuous power output thanks to motor with constant speed Better drilling experience due to Vibration Control, designed to absorb pulsation