Hammer Drill, 710W Electic Corded Impact Drill, 13mm Metal Chuck, 0-3300RPM, Powerful Variable Speed Drill for Drilling in Steel…DEWINNER ROTARY HAMMER DRILL Non slip And Adjustable Speed Impact Drill For Comfortable And Easy Operation With No load Speed Of 3300rpm. Speed Setting Knob And Variable Speed Trigger Allow You To Control Drilling Speed At 0 3300 Rpm According To Your Requirements. HAMMER & IMPACT DRILL DUAL MODE With A Dual Mode Selector, Just Switch It To Easily Convert Hammer And Drilling Function Depending On Your Tasks, Suitable For Installing Chandelier, Tv And