Xtreme 1" SDS-Plus Rotary Hammer 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 11255VSR has a comfortable D-handle grip design for greater control, especially when drilling overhead or downward. Features: 7.2 AMPS 1" Diameter Bosch has been in the headlines of state of the art development for over 100 years. From the invention of the jigsaw to their ergonomic designed tools, Bosch as cared about the customer since they started business in 1886.