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 Included in this set: DHR242Z Brushless SDS Drill SDS Set + Chisel Keyless Chuck SDS Chuck Adaptor This is a bare tool only - Batteries and Charger must be purchased separately.