This die set includes 3 pieces of metel snaps dies: 

• 1 #16 stud/socket die
• 1 #16 open ring cap die
• 1 #16 cap die

Top die has shank size of 3/8'' and cap die has shank size of 1/2''. 

This die set only fits in the snap press sold in this store.

If your press requires different shank size, please check the Customized Die Set section.