15 Amp 27 lbs. SDS-Max Corded Inline Chipping Hammer - D25911K. Case. 27 lb. SDS-Max inline chipping hammer quickly breaks down dense concrete with up to 27 joules of impact energy (according to EPTA-Procedure 05/2009). Tackles horizontal and downward chipping for high performance in mid-to-lower wall and flooring tasks, ideal for wall breaching, channel creation, bushing, and scarifying. Up to 1,620 BPM with a 1-5 in. chipping range. Rear handle design allows for comfortable operation in horizontal and downward chipping. Wireless tool control technology enables the user to link the tool to the DCV585 60V MAX dust extractor (sold separately) for remote extractor activation. Tag Ready so individuals and companies can attach a DEWALT Tag (sold separately) to track its location via the DEWALT Tool Connect app. Integrated Shocks Active Vibration Control system minimizes vibration felt at the handles compared to chipping hammers without this feature