24pc set containing 1 second tap & 1 die per size together with holder & wrench. Case is made from industrial injection moulded Polypropylene and has Plastazote LD45 foam in fill.
Tapping Drills BSW. 5.1mm, 6.5mm, 7.9mm, 9.3mm, 10.5mmTapping Drills BSF. 5.3mm, 6.8mm, 8.3mm, 9.7mm, 11.1mmNPT Tapping Drill. 8.7mmTapping drills are loose with the set.
BSW - 1/4 - 5/16 - 3/8 - 7/16 - 1/2
BSF - 1/4 - 5/16 - 3/8 - 7/16 - 1/2
NPT - 1/8 x 27