This 6pc set of 1/2"D impact socket accessories contains 3 extension bars together with 2 drive adaptors and a universal joint to provide access to difficult to reach fixings. This heavy duty set is manufactured from chrome molybdenum for strength and durability with a black phosphate finish for improved corrosion resistance, and each component features a groove and two holes for a retaining ring and pin for security. All supplied in a blow mould case for convenient storage.