Brand Makute Power source Corded Electric Maximum rotational speed 3800 RPM Voltage 240 Volts Amperage 16 Amps About this item Robust 1600W Industrial Motor: Perfect for heavy-duty concrete and metal projects, delivering 5.2 ft/lb (7 Joules) of impact. Safety Hammer Protection Device: Ensures wrist safety during high-torque applications. 360° Adjustable Handle: Provides stability and reduces operator fatigue. Dual Functionality: Easily switch between hammer and hammer drill modes. Impressive Drilling Capacity: Drills holes up to 1-1/4 inches in diameter in concrete.