SDS Hammer Voltage 120 No Load RPM 0 to 1150 Blows per Minute 0 to 4300 8 Amps Solid Bit Capacity 1 In. Core Bit Capacity 2-1/2 In. Reversing Yes Stop Rotation Yes Impact Energy 2.8 Joules Features Impact Energy Provide Fast Drilling and Powerful Chipping Tool Weight 6.1 lb. Tool Length 16-1/2 In. Includes Mfr No D28402 Right Angle Sander/Grinder