Makita DHR242 replaces the BHR242. Features of the DHR242RMJ: 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% 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 maximum power thrust. Provide a sure and comfortable grip in any operation; overhead application, drilling with palm-up or palm-down grip. 3 mode operation: Rotation + Hammering Hammering only Rotation only The DX01 is designed to collect dust effectively with automatic operation from the tools on/off trigger switch. HEPA Filter: widely regarded as the ultimate filter that traps all sizes of particles with an efficiency rating of 99.75 percent. Large dust box cover can be opened by pushing a single button. Dust extraction inlet is adjustable according to the size of the drill bit length. Included in this set: DHR242Z Brushless SDS Drill MakPac Stacker Case Inlay 2 x BL1840 4.0ah Batteries 1 x DC18RC Charger DX01 Automatic Dust Extraction Unit