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