Makita HM1812 32Kg AVT Hex Shank Electric Breaker Makita once again leaps to the head of the performance league table for mighty 32kg electric breakers with the new HM1812. It sets best-in-class standards with a 60% increase in impact energy at 73 joules and a 25% reduction in vibration to just 6.5m/s². The HM1812 introduces a new vibration damping system that effectively separates the impact generation from the motor housing, once again cutting vibration ratings and produces a remarkable 4 hours 43 minutes of useable work time to reach the Exposure Limit Value. FEATURES 60% increase in impact energy to 73 joules 25% reduction in vibration to just 6.5m/s² 4 hours 43 minutes run time to ELV Vibration absorbing housing Counterweight mechanism reduces vibration when chipping \"Soft no load\" function automatically reduces the motor speed during idling to suppress the vibration of the machine body Soft start LED\'s indicate when to replace carbon brush Ergonomic soft grip Highly durable switch High power Name plate and serial label positioned where it will be free from scratches and damage Compatible with Hammer Trolley Connectable to dust extractor SPECIFICATION Impact energy: 72.8 J Blows per minute: 870 bpm Drive shank: 1 1/4\" Hex Net weight: 31.3 kg Input Wattage 110v: 1,700 w Input Wattage 240v: 2,000 w SOUND & VIBRATION Noise sound pressure: 96 dB(A) Noise sound power: 107 dB(A) Noise K factor: 3 dB(A) Vibration: Chiselling: 6.5 m/sec² Vibration K factor: 1.5 m/sec² Available In 110v & 240v