UNF and UNC Tap Set perfect for use on AF vehicles and machinery. Manufactured from tungsten steel for strength and durability. Ideal for creating and repairing popular UNF and UNC threads. All taps and dies are etched with the imperial sizes for easy and fast finding. The tap wrench has a screw adjustment and is suitable for M3 M12 (1/16" 1/2") taps. The die handle has an internal diameter of 25mm (1") with thumbscrew to hold components securely in place. Comes contained in a metal case with vacuum molded inlay for easy storage and transportation as well as easy finding the correct size fast and efficiently. Includes Tap and Die 1/8" NPT x 27 Tap and Die 3/8" NC x 16 Tap and Die 3/8" NF x 24 Tap and Die 1/4" NC x 20 Tap and Die 1/4" NF x 28 Tap and Die 5/16" NC x 18 Tap and Die 5/16" NF x 24 Tap and Die 7/16" NC x 12 Tap and Die 7/16" NF x 20 Tap and Die 1/2" NF x 20 Tap and Die 1/2" NC x 13 1 x tap holder suitable for M3 M12 (1/16" 1/2") total length 200mm 1 x die holder suitable for dies with 25mm (1") diameter total length 200mm