This is the DCA AZG6S Percussion Demolition Hammer, a robust corded power tool engineered specifically for medium to heavy-duty masonry chipping, concrete hacking, and tile removal.Technical SpecificationsRated Power Input: 1050 WattsImpact Energy: 10.1 JoulesImpact Frequency: 2900 blows per minute (bpm)Chuck/Shank Type: 17mm Hex shank systemNet Weight: 6.8 kg