General description Expert Quality 28 Piece Draper 1/2' Sq. Dr. Impact TX-STAR&174 and Hex Socket Set, manufactured from chrome molybdenum steel, which is correctly hardened and tempered with a black phosphate finish. The set is supplied complete in a two-tone 1/2 drawer EVA insert tray made from closed cell foam. Technical specifications Overall size of tray: 270 x 276 x 30 mm (w x d x h) Compatibility and accessories Suitable for use in Draper and Draper Expert tool chests Compatible with other manufacturers' similar tool chests