The fastest, longest lasting breed of rotary hammer, the totally redesigned bulldog extreme 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-lock positioning rotates and locks chisel into 36 different positions to optimize working angle. The innovative 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. The Bosch 1375A 6.0 Amp 4-1/2-Inch grinder offers a slim grip zone for all-day comfort and control. The powerful 6.0 amp motor provides the ability to grind various materials and applications with ease and speed. Reinforced wheel guard. Provides maximum safety to users under different work conditions. Kit Includes: (1) 11255VSR 1-Inch SDS-plus BULLDOG Extreme Rotary Hammer, (1) 1375A 4-1/2-Inch Grinder.