This Expert by Facom 13 Piece Drain-Plug Bit Set contains the following: 6 x Hex bit sockets: 8, 10, 12, 13, 14 and 17mm.4 x Male drive bits: 8, 10, 10.5 and 13.1mm.1 x Female square bit.1 x XZN (Triple Square) bit.1...