Socket sizes: 8, 10, 12, 13, 14mm. 3/8″D single Hex (6pt) x 120mm long. Adaptor 1/4″ F x 3/8″ M Ideal for heavily recessed fixings that have extra long bolts for example some bumper, rear lamp and door hinge fitting. Designed specifically for undoing deeply recessed fixing where long threaded bolts are used. Particularly useful for the parking brake cable adjusters on VAG, Vauxhall/Opel, BMW and Ford.