Makita HM1810 1 1/4" HEX AVT ELECTRIC BREAKER 240 Volt 1.1/4" AF hex shank 5mm hex wrench AVT Net weight 32 kg Drive shank Hex 1 1/4 " Input wattage 1900 w Vibration chiselling 9 m/sec² Vibration K factor 1.5 m/sec² Noise sound power 104 dB(A) Noise sound pressure 84 dB(A) Noise K factor 2.52 dB(A) Blows per minute 1100 bpm Joules 44.9 Js