Large Oversize Mechanism delivers extreme durability and excellent breaking performance Items Included: Heavy Duty electronic module for constant power under load Specifications Tool Holder: 28mm HEX Power Input: 2100 Watts Power Output: 1200 Watt Blows per Minute: 900 bpm Impact energy (EPTA 05/2009): 52 J Weight: 31 kg Length: 780 mm Height: 620 mm Width: 162 mm Width: 162 mm Hand/Arm Vibration: 4.8 m/s? Uncertainty K 1 (Vibration): 1.5 m/s? Sound Pressure: 93 dB(A) Sound Pressure Uncertainty: 2.5 dB(A) Sound Power: 108 dB(A) Sound Power: 108 dB(A) Sound Power Uncertainty: 3.8 dB(A)