Compact and robust interchangeable blade screwdriver set with manually activatable impact wrench function For loosening stubborn screw connections Hammer blow impulse is converted into a rotary movement with a loosening torque of approx. 25 Nm - without loss via a pound-thru blade Reversible functions: impact wrench and screwdriver Specially hardened and extra tough bits with 1/4" external hexagon drive, Weight: 1.65 pounds, Manufacturer: WERA