42 Piece Imperial General Purpose Tap & Die Set Handy Carry Case High Carbon Steel Precision Manufactured to I.S.O & D.I.N Standards 17 Different Sizes Contents: Taps: UNS: 4G x 36 NPT: 1/8 x 27 UNC: 6G x 32 8G x 32 10G x 24 UNC: 12G x 24 1/4 x 20 5/16 x 18 3/8 x 16 7/16 x 14 1/2 x 13 UNF: 10G x 32 1/4 x 28 5/16 x 24 3/8 x 24 7/16 x 20 1/2 x 20 Dies: UNS: 4G x 36 NPT: 1/8 x 27 UNC: 6G x 32 8G x 32 10G x 24 UNC: 12G x 24 1/4 x 20 5/16 x 18 3/8 x 16 7/16 x 14 1/2 x 13 UNF: 10G x 32 1/4 x 28 5/16 x 24 3/8 x 24 7/16 x 20 1/2 x 20 Other: 1 x Tap Wrench (1/8" - 1/2") 1 x T-type Tap Wrench 1 x Die Stock (1") 1 x Screwdriver 1 x Screw Pitch Gauge 1 x Steel Brush 1 x Centre Punch