This is an assembly pack including the Makita DHR242Z Brushless Rotary Hammer Drill and Makita DX01 Automatic Dust Extraction Unit. The DHR242 tool body is separated into the upper and lower housings at the foot of handle portion where the housings 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 percent. Unique rubber joint construction suppresses the transmission of vibration to battery terminals, minimizing battery failures such as terminal breakage or poor electrical contact. Able to drill in concrete as fast or faster than 24V Cordless Combination Hammer model BHR200. One touch slide chuck for SDS-plus bit. Easy-to-grip handle ergonomically designed to: Give.