Die's top thread size is 6,3 mm (1/4"), bottom diameter size is 11,9 mm (1/2'') and fits to 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.
Package includes;

7 mm single cap rivet dies;
7 mm double cap rivet dies;
9 mm single cap rivet dies;
9 mm Double Cap rivet dies;
No:3 Eyelet grommet dies (for out diameter:10 mm, height:4,8 mm, hole diameter:5,4 mm eyelets);
No:5 Eyelet grommet dies (for out diameter:14,5 mm, height:5,5 mm, hole diameter:7,5 mm eyelets);
No:24 Eyelet grommet dies (for out diameter:19 mm, height:6,5 mm, hole diameter:9 mm eyelets);
No:28 Eyelet grommet dies (for out diameter:24 mm, height:7,5 mm, hole diameter:12,5 mm eyelets);

10 mm s spring snap button dies,
12.5 mm s spring snap button dies,
15 mm s spring snap button dies,
2 pieces hole punches that are 2 mm and 4 mm diameter that come with brass base.