Cock foot wrench drive internal square: 1/2": 8 mm - 9 mm - 10 mm - 11 mm - 12 mm - 13 mm - 14 mm - 15 mm - 16 mm - 17 mm - 18 mm - 19 mm; 3/8": 21 mm - 22 mm - 24 mm.
Output profile: hexagonal.
Special socket spanner insert for screwing in hard-to-reach places, for example via cables and on union nuts.
