DEWALT D25501K 1-9/16-Inch SDS Max Combination Hammer Kit N/A Imported 12 Amp Motor provides high performance & overload protection, 490 rpm' 3300 bpm 8.0 Joules of Impact Energy provides fast drilling and powerful chipping Rear Handle Mount for increased user comfort in down drilling applications Factory Set Clutch reduces sudden, high torque reactions if bit jams Rubber Grip helps reduce the level of vibration felt by the user