Master Torx Bit Socket Set plus special 24mm External Torx PLUS Socket (p/n 5932-24) required for Ford Super Duty pick-up beds starting model year 2017. Socket kit includes various sizes of Torx, Torx PLUS, Tamper Resistant Torx, Bit Sockets and External Torx Sockets in 1/4", 3/8" and 1/2" square drive. Standard Torx: 1/4" Sq. Dr T6, T8, T10, T15, T20, T25, T27, T30 Standard Torx: 3/8" Sq. Dr T40, T45, T50, T55 Standard Torx: 1/2" Sq. Dr T60, T70 External Torx: 1/4" Sq. Dr E4, E5, E6, E7, E8 External Torx: 3/8" Sq. Dr E10, E12, E14, E16 External Torx: 1/2" Sq. Dr E18, E20, E22, E24 Torx PLUS: 1/4" Sq. Dr TP8, TP10, TP15, TP20, TP25, TP27, TP30 Torx PLUS 3/8" Sq. Dr TP40, TP45, TP50, TP55 Torx PLUS 1/2" Sq. Dr TP60 Torx Tamper Resistant 1/4" Sq. Dr TT8, TT10, TT15, TT20, TT25, TT27, TT30 Torx Tamper Resistant 3/8" Sq. Dr TT40, TT45, TT50, TT55 Torx Tamper Resistant 1/2" Sq. Dr TT60 External Torx PLUS 1/2" Sq. Dr EP24 Not rated for use with impact tools.