The Bulldog series of rotary hammers from Bosch are well recognized by professionals worldwide. Their aggressive performance in concrete combined with versatile features such as stop rotation for light chipping has set the Bulldog apart from other hammers over the past 20 years. The 11224vsr is a SDS-plus bit system which allows tool-free bit changes with automatic bit locking, dust protection and maximum impact transfer rate. This hammer comes equipped with a multi function selector which offers 3 modes of operation, rotation only, rotary hammer and hammer only mode, Variable Speed reversing trigger, & Vario-Lock positioning. This allows the hammer to rotate and lock chisel into 36 different positions to optimize working angle. Has a D-handle design for extra control, ideal for overhead and download drilling. The 1124vsr comes with a carrying case, auxiliary hammer, & depth gauge.