Variable-speed industrial 13 Amp motor produces up to 1900 blows per minute, ideal for mid-sized demolition tasks. Match the hammer speed to the material being demolished with the electronic speed control dial. Blows Per Minute (BPM): 950 - 1,900, Amps: 13, Impact Energy (ft. lbs.): 16.2, Impact Energy (J): 21.9, Accepts Bits (in.): 3/4 Hex, 21/32 Round Variable speed Electronic dial speed control Slide on/off switch Comfortable D-shaped side handle absorbs vibration, adjusts to 8 different positions Dustproof chuck cap protects tool from dust and debris One-touch sliding chuck 12 angle settings of bit Service reminder light for brush replacement Double insulated Includes bit grease and plastic case Model HM1242C