You can expect greater operating convenience with this SDS Max hammer thanks to its 12 bit angle settings The Makita HM0870C has high durability and excellent demolition performance. Adapted for SDS-MAX bits with a one-touch sliding chuck for easy bit installation and removal. Powerful 10 AMP motor delivers 8.4 ft.lbs. of impact energy to handle the most demanding applications. Constant speed control automatically applies additional power to the motor to maintain speed under load to complete the most challenging jobs. Soft start suppresses start-up reaction for more control and better accuracy L.E.D. service light notifies the user approximately 8 hours before the brushes need to be replaced.Variable speed control dial enables the user to match the speed to the application for greater versatility. L.E.D. power light indicates switch failure or cord damage. Extended life brushes are longer for more work between service intervals and less downtime. 12 bit angle settings allow the bit to be set at different positions for operating convenience. Automatic brush cut-off protects the commutator from damage for longer tool life. Rubberized ergonomic soft grip provides more comfort. Makita Motor Advantage engineered with field core interlocking steel laminations, dual ball bearing armature and more copper commutator bars, increasing energy transfer efficiency for more power and longer tool life.  Features:   1100W motor  Electronic speed control for maximum productivity  Long life carbon brushes  Soft start  Double insulated  Electronic speed control  Hammer only  Variable speed trigger  Adapted for SDS-Max Bits   Comes with:   Bit grease  Soft cloth  Side handle  Carry case Specification: Max Joules: 11.6Js Blows per minute: 1.100-2.650bpm Vibration: 8.4m/sec Input wattage: 1.100w Net Weight: 5.6kg