The Fastest, Longest Lasting Breed of Rotary Hammer...The totally redesigned BULLDOG Xtreme outlasts the competition in both speed and performance! Multi-function Selector has 3 modes of operation: rotary hammer, hammer-only and rotation-only mode. Vario-Lock Positioning rotates and locks chisel into 36 different positions to optimize working angle. The patented Rotating Brush Plate provides equal power in forward and reverse. Cord Turret has a 35-degree pivot for added flexibility and longer cord life. SDS-plus Bit System Tool-free bit changes with automatic bit locking, dust protection and maximum impact energy transfer rate. Variable-speed Reversing Trigger for accurate bit starting as well as removing fasteners or bound bits. Integral Clutch helps minimize torque reaction. The 11253VSR has a pistol grip design.