Satisfy Professional's Needs14mm(9/16\")/ HR140D16mm(5/8\")HR166D17mm(11/16\")DHR171Cordless Rotary HammerDHR171“ One - Hand “Cordless Rotary Hammer SeriesHR166D HR140DHammeringwithRotation2RotationmodeSDS-PLUS bitShankPhoto : DHR171