The Makita HR1841F SDS Plus AVT Rotary Hammer has a compact and lightweight design with built-in (AVT) Anti-Vibration Technology. It offers 2 modes of function Rotary drilling and Hammer drilling The variable speed is controlled via the trigger and it offers both forward and reverse rotation. There is also a lock-on function that helps to prevent fatigue during long drilling periods. For safety the tool is fitted with a torque limiter and double insulation. There is also a one-touch sliding chuck for easy bit changes and an LED job light. Supplied with 1 x Side Handle, 1 x Depth Stop and 1 x Carry Case. Specification Mode Rotary drilling and Hammer drilling Input Power 470W No Load Speed 0-2,100/min. Impact Rate 0-4,800/bpm with 1.4 joules Capacity Concrete TCT Bit 18mm, TCT Core 35mm, Diamond Core 65mm Wood 24mm Steel 13mm Chuck SDS Plus Weight 2.5kg