The Makita HM1317C Demolition Hammer offers high durability and excellent demolition performance. Suppression of motor speed during no load reduces vibration of the tool body. The unique Makita AVT Anti-Vibration Technology design employs the pneumatic pressure created in the drill's hammer piston chamber to move a counter balance in the opposite direction reducing the impact vibrations at the steel point. This dramatically reduces vibration. Supplied with: 1 x Bull Point 1 x Side Handle and 1 x Carrying Case. Specifications: Input Power: 1 510W.No Load Speed: 730-1 450/min.Impact Energy: 21 joules.Shank Size: 30mm.Weight: 17kg. Vibration Chiselling: 8.5 m/sec².Vibration K Factor: 1.5 m/sec². Noise Sound Power: 101 dB(A).Noise Sound Pressure: 81 dB(A).Noise K Factor: 2.4 dB(A).PTDMAKHM1317CL