Impaktor socket wrench insert for use with electric or pneumatic wrenches with 3/8" drive. The Impaktor technology ensures a higher-than-average service life even at extreme requirements. With "Take it easy" Tool finder with colour coding by size - for quick and easy identification of the required tool. With hexagon profile and socket with hole. The hexagon profile offers the transmission of high forces and loads the edges of the bolt or the screw head less than a double hexagon profile. For external hexagon bolts and screws.