• 20 mm = 0.79 inch metal jean buttons setting dies for manual hand press machine. Made of durable high quality metal, with high strength and hardness.
• You can use this dies for install or replacement jeans buttons for shirts, jeans, suspenders, jackets, bags, etc.
• The jeans tack buttons dies set has 2 parts: Top die for button and bottom die for nail that are working together with a hand press machine.
• This listing includes only dies and dies can't use without a press machine. Hand press machine and jean buttons not included.
• The dies top thread size is 6.3 mm (1/4") and bottom diameter size is 12 mm (1/2’’). Please check your machine's specifications before order.