The Makita HM1203C SDS-MAX Demolition Hammer has high durability alongside an excellent demolition performance. It is perfectly adapted for SDS-MAX bits and the bit position can be set in 12 variations for adaptable working. It has a one touch sliding chuck for easy bit removal and installation as well as an LED lamp indicater telling you when to replace the carbon brushes. There is double insulation along with variable speed control and soft start. Constant speed under load is also a feature.  Impact energy - 19.1J Blows per minute - 950 - 1900bpm Input wattage - 150w Speed Control Variable by Dial   Bit Angle Setting - 12 Stage Vibration: Chiselling - 15.5m/sec² Vibration K factor - 1.5m/sec² Noise sound pressure - 81dB(A) Noise sound power - 95dB(A) Noise K factor - 2.19dB(A) Net weight - 8.9kg