Impaktor socket for use with electric or pneumatic impact wrenches with 12.5mm = ½" drive. The Impaktor technology ensures above-average service life even under extreme conditions. With Take it easy tool finder with colour coding by size - for easy and fast location of the required tool. With hexagonal profile and grooved socket. The hexagon profile allows the transmission of high forces and puts less strain on the edges of bolts or screw heads than a double hexagon profile. For hexagon headed bolts, screws and nuts.