Pentagon socket and bit set, 1/2"D. 1/2"D Pentagon (5 sided) Sockets: 10, 12.5, 14, 19mm; length: 38mm. Pentagon Socket Bit: 10mm x 55mm. Applications include: Bendix and Girling braking systems found on Citroën, Peugeot, Renault, Vauxhall, Opel & Smart braking systems. Socket manufactured from Chrome Vanadium. Supplied on a socket rail for easy storage.