The Makita HR2631F SDS Plus Rotary Hammer is fitted with a modified operation mode change lever that enables the switch from 'Rotation' to 'Hammering' mode and vice-versa without rotating the chuck. It has 3-modes of operation: Rotary drilling, Hammer drilling or Chiseling. Variable speed control via a trigger with both forward and reverse rotation. There is also a torque limiter and double insulation for increased user safety. The one touch sliding chuck allows for easy bit installation and removal. It also allows for 40 different bit angle settings. It has a compact and lightweight design with an ergonomically designed handle. The rubberised soft grip provides comfort and more control whilst minimising hand fatigue and pain. Anti-vibration technology (AVT) ensures extra-low vibration performance. Specification: Input Power: 800W No Load Speed: 0-1,200/min. Impact Rate: 0-4,600/bpm Impact Energy: 2.4 joules Capacity: Concrete TCT: Bit: 26mm, Core: 68mm, Diamond Core: 80mm, Wood: 32mm, Steel: 13mm Weight: 2.9kg