especially suitable for screw connections with long thread overhang, e.g. threaded rods ↵ no limited depth like “normal” sockets ↵ 13 mm hex. drive ↵ go-through ratchet, 72 teeth, 13 mm inner hex. ↵ extension bar, 75 mm, with go-through hole ↵ 11 sockets, Gear Lock, length 25 mm 4.5 - 5 - 5.5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 mm ↵ adaptor, 13 mm outer hex. to 6.3 mm 1/4" outer square ↵ bit adaptor, 13 mm outer hex. to 6.3 mm (¼") inner hex., allows the ratchet be used as a standard 6.3 mm (¼") ratchet ↵ adaptor, 13 mm inner hex. to 6.3 mm (¼") inner square, to use the extension bar ↵ 19 mm hex. drive ↵ go-through ratchet, 72 teeth, 19 mm inner hex. ↵ extension bar, 75 mm, with go-through hole ↵ 11 sockets, Gear Lock, length 30 mm 8 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 mm ↵ adaptor, 19 mm outer hex. to 10 mm (⅜") inner hex., allows the ratchet be used as a standard 10 mm (⅜") ratchet ↵ adaptor, 19 mm inner hex. to 10 mm (⅜") inner square, to use the extension bar ↵ 22 mm hex. drive ↵ go-through ratchet, 72 teeth, 22 mm inner hex. ↵ extension bar, 75 mm, with go-through hole ↵ 7 sockets, Gear Lock, length 19 - 20 - 21 - 22 - 23 - 24 - 25 mm ↵ adaptor, 22 mm outer hex. to 12.5 mm (½") inner hex., allows the ratchet be used as a standard 12.5 mm (½") ratchet ↵ adaptor, 22 mm inner hex. to 12.5 mm (½") inner square, to use the extension bar ↵ Bits, drive outer hex. 6.3 mm (¼"): ↵ 2 slot: 4 - 5 mm ↵ 2 cross slot: PH1 - PH2 ↵ 3 T-Star (for Torx): T10 - T15 - T20 ↵ 3 internal hexagon: 4 - 5 - 6 mm ↵