General description A heavy duty 3/4" D impact socket bit set featuring Hex and Star profiles, designed for durability and performance. Technical specifications Socket bits: 5 x 3/4" D Hex socket bits (14, 17, 19, 21, 22mm) 4 x 3/4" D Star socket bits (T70, T80, T90, T100) Material: Chrome molybdenum Finish: Anti-corrosion black phosphate Compatibility and accessories Impact extension bar (200mm long) 3/4" D x 1/2" D impact adaptor 3/4" D impact coupler (lock)