Bosch 11387 Round Hex Demolition Hammer. Round hex tool holder - Tool-free demolition steel changes, with automatic locking. Vario-Lock positioning - Rotates and locks chisel into 12 different positions to optimize working angle. 360° Auxiliary handle - Provides a wide range of movement along with operator comfort. Innovative service modules - Designed so a qualified service technician can quickly replace the brushes and cord. Grounded design, UL listed, complies to OSHA. Includes: Auxilary Handle, Carrying Case. Specifications: Rating - 120V, Amperage - 10, No Load BPM - 2,800, Impact Energy (ft. lbs.) - 5.9, Length - 17.5?.