Easy-to-grip handle ergonomically designed to: Give maximum power thrust, provide a sure and comfortable grip in any operation; overhead application, drilling with palm-up or palm-down grip One touch slide chuck for SDS-plus bit The tool body is separated into the upper and lower housings at the foot of handle portion where the houses are jointed with vibration absorbing cushion rubbers Distinctive rubber joint construction suppresses the transmission of vibration to battery terminals, minimising battery failures such as terminal breakage or poor electrical contact, Weight: 7.495716908 pounds, Manufacturer: Makita