Manufactured from high grade chrome vanadium which is fully chromed, aluminium free and with a high polish mirror finish. Featuring Side-Drive bi-hexagon sockets, designed to reduce stress/damage to fasteners and spark plug sockets featuring rubber inserts and external hex drives: Features and Benefits Bi-Hexagon 12 point driver head Chrome vanadium for increased durability Professional high polish mirror finish for easy tool cleaning Supplied in fitted blow moulded plastic case for protection and easy portability Contents: Metric Sockets: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14mm. AF Sockets: 3/16", 7/32", 1/4", 5/16", 11/32", 3/8", 7/16", 1/2" AF. Deep Sockets: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14mm. Deep Sockets (AF): 3/16", 7/32", 1/4", 5/16", 11/32", 3/8", 7/16", 1/2" Screwdriver socket bits: Crosspoint: No.2, No.3. Hex: 3, 4, 5, 6 and 8mm TX: T15, T20, T25, T30 Accessories: sliding T-handle, lever type quick release ratchet, 50 and 150mm exten