The Makita DHR243 SDS Plus 3-Mode Hammer Drill has an efficient brushless DC motor and a quick-change drill chuck. The easy-to-grip handle has been ergonomically designed to give maximum power thrust and a sure, comfortable grip in any operation; overhead application, drilling with palm-up or palm-down grip. The tool body is separated into the upper and lower housings at the foot of the handle portion where the houses are jointed with vibration absorbing cushion rubbers. Unique rubber joint construction suppresses the transmission of vibration to battery terminals, minimising battery failures such as terminal breakage or poor electrical contact. There are 3 modes of operation: rotation and hammering, hammering only and rotation only. Specification: No Load Speed: 0-950/min. Impact Rate: 0-4,700/bpm Impact Energy: 2.0 joules Capacity: Concrete 24mm, Steel 13mm, Wood 27mm Weight: 3.3kg All vibration figures quoted are Tri-axial to EN 60745 2006. Vibration: Drilling: 3.5 m/sec² Vibration K Factor: 1.5 m/sec² Vibration: Hammer Drilling: 13.5 m/sec² Vibration: Chiselling: 10.5 m/sec² The Makita DHR243Z SDS Plus 3-Mode Hammer Drill is supplied as a Bare Unit - No Battery or Charger.