Cordless 18V Hammer Impact Drill $ 286.67 Product Details: Hammer type: blasting hammer Power source: battery Weight: 2.3kg Rated voltage: 18V Maximum Hammer Force*: 2 J Shock Rate at Rated Speed: 0 to 5.100 bpm Rated Speed: 0 to 1,800 rpm Mandrel: SDS plus four dimples Packing list: Electric hammer1 Battery1pcs/2pcs