FEATURES: For SDS max bit shank, 2-mode action: Rotation and hammering mode, hammering only mode, Variable-lock mechanism for 12-angle tool positions, For hexagon bit shank, No load speed 620/min., Idle hammering prevention system for durability, Functional and robust design. SPECIFICATION: Capacity: Concrete: Drill Bit:38mm (1-1/2″), Capacity: Concrete: Core Bit:105mm (4-1/8″), Power Input:950W, Bit Shank:SDS-max, No Load Speed:620/min., Full Load Impact Rate:2,800/min., Overall Length:433mm (17-1/16″), Weight:6.4kg (14.1lbs.), Standard Accessories:Side Handle, Carrying Case