Impact Socket Set 1/2″ Drive TX Bit 12 Pieces TT Tray Chrome molybdenum for use with power tools DIN standard design for use with a retaining pin and ring Organised in a tool tray module size 1 (TT1) 12 piece 1/2″ drive TX bit socket set. TX bit sockets 1/2″ drive TX10, TX15, TX20, TX25, TX27, TX30, TX40, TX45, TX50, TX55, TX60, TX70.