Makita dhr242 sds plus hammer drill has an efficient brushless dc motor that provides higher productivity. It has a slide chuck for quick and easy sds plus bit changes. It offers 3 modes of operation: rotary drilling, hammer drilling or chiseling. 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. This unique joint construction suppresses the transmission of vibration to the battery terminals, minimising battery failures such as terminal breakage or poor electrical contact. Features & benefits able to drill in concrete as fast or faster than 24v cordless bhr200 combination hammer one touch slide chuck for sds plus bit easy to grip handle ergonomically designed 3 mode operation the tool body is seperated into the upper and lower housings at the foot of handle portion where the houses are jointed with vibration absorbing cushion rubbers higher productivity than model bhr202 achieved by using efficient brushless dc motor to reduce energy loss by 30% unique rubber joint construction suppresses the transmission of vibration to battery terminals, minimizing battery failures such as terminal breakage or poor electrical contact specifications battery voltage: 18v battery type: lithium-ion blows per minute: 0-4,700bpm capacity in steel concrete wood: 13 24 27mm impact energy: 2.0 J no load speed: 0-950rpm vibration drilling chiselling hammer drilling: 3.5 10.5 13.5M s...