Expert Quality. Draper TX-STAR® ; 1/2” Sq. Dr. 78mm long socket bits forged from Chrome Molybdenum steel with a black phosphate finish for corrosion protection. Groove and two holes for retaining ring and pin. Supplied in sturdy blow-moulded case. Contents: , T20, T25, T30, T40, T45, T50, T55, T60 and T70