Its SDS-max® bit system allows tool-free and one-handed bit changes.
SDS-max® Combination Hammer is a combo rotary hammer and hammer-only tool designed for concrete contractors and professional remodelers who need a powerful and versatile tool. The hammer has a Dual Mode Selector Knob and service minder brushes, which clearly indicate when preventive maintenance is required. SDS-max® Combination Hammer - By International Tool The Bosch RH540M 1-9/16 In.