This versatile socket spanner set offers everything you need for screwdriving work in the home and workshop. With its 53 parts, it covers a wide range of screw sizes and profiles, making it ideal for a variety of tasks. 13-piece through-head spanners 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22 and 24 mm. One through-head ratchet, with flexible head, 72 teeth/5° pressure angle. One continuous extension bar, 75 mm. 10 ring driver adapters with hexagonal shanks: 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17 mm. Nine E-Torx ring spanner adapters: E8, E10, E11, E12, E14, E16, E18, E20 and E22. Eight 5/16" x 25 mm (zinc phosphate) hex bits: 7, 8, 10 and 12 mm, Torx tamper-proof: TR-40, TR-45, TR-50 and TR-55. Six 1/4" x 25 mm (zinc phosphate) hex bits: 5 and 6 mm, Torx tamper-proof: TR-20, TR-25, TR-27 and TR-30. One 19 mm (3/4") hex drive x 1/4" bit adapter. One 19 mm (3/4") hex drive x 5/16" bit adapter. One 3/4" (19 mm) hex drive x 3/8" square drive adapter, with quick release. One 3/4" (19 mm) hex drive x 1/4" square drive adapter, with quick release. One 19 mm (3/4") hexagon drive x 1/2" square drive adapter, with quick-release fastener. Matt chrome finish. Heavy duty alloy steel. Easy access to nuts where the fastener needs to pass through the socket. Comfortable passage with multiple positions and flexible head ratchet. Housing: High density polyethylene (HDPE).