UNF and UNC Press Set perfectly for vehicle and equipment AFs.Made from tungsten steel for strength and durability.Ideal for creating and repairing foundation for popular and UNC threads.All taps and dies are engraved with imperial sizes for quick and easy finding.The wrench has a screw adjustment and is suitable for M3 M12 (1/16" 1/2") pre.The handle die has an internal diameter of 25mm (1") with screws holding components securely in place. is contained in a metal housing with vacuum molded inlay for easy storage and transport as well as easy finding the right onesize, quickly and efficiently. Set includes: Touch and die 1/8" NPT x 27 Touch and die 3/8" x 16 UNC Touch and die 3/8" UNF x 24 Touch and die 1/4" x 20 UNCand die 1/4" UNF x 28 Touch and die 5/16" x 18 UNC Touch and die 5/16" UNF x 24 Touch and die 7/16" x 14 UNC Touch and die 7/16" UNF x 20 Touchand die 1/2" x 12 UNC 1 x die 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