Features: 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 Supplied in a metal case for easy storage Specification: Tap & Die - 1/8" NPT x27 Tap & Die - 1/4" UNC x20 Tap & Die - 1/4" UNF x28 Tap & Die - 5/16" UNC x18 Tap & Die - 5/16" UNF x24 Tap & Die - 3/8" UNC x16 Tap & Die - 3/8" UNF x24 Tap & Die - 7/16" UNC x14 Tap & Die - 7/16" UNF x20 Tap & Die - 1/2" UNC x13 Tap & Die - 1/2" UNF x20 1 X Die holder 1 x Tap holder