Use for setting double cap rivets which cap size is 9 mm = 3/8 inch with hand press machine.
Suitable for use on hand press machines which top thread size is 1/4 inches = 6,3 mm and bottom hole size is 1/2 inches = 12 mm. It fits to our DZNTOOLS hand press machine. If you have a different hand press, please check your hand press measurements, and make sure that this matches your hand press machine requirements.
