CS Unitec ATEX Holes cost less with SDS-MAX drill bits. Safety clutch protects against overloading and jamming. 2" bit capacity for concrete and masonry Hammer with Rotation - Ideal for concrete drilling Rotation Only - Ideal for drilling wood and steel Up to 2" dia. holes with Solid Carbide Tipped Bits Up to 6" dia. holes with Carbide Core Bits Gearing and hammering mechanism with oil lubrication Pivotable side handle Low-vibration; no-load hammering absorption Quick-change chuck; SDS Max insert tool system 0-2500 BPM 0-250 RPM 2" Capacity in Concrete 1.6 HP 53 CFM" CS Unitec Pneumatic SDS-Max 2" Rotary Hammer Drill 2 2417 0010