This item 1179-01 is 3/4" inside diameter and is made of solid brass. There are various other leathercraft kits, tools, stamps, and dyes...There are various other leathercraft kits, tools, stamps, and dyes available in our stecksstore. If you are interested in additional quantities, please feel free to contact us. Please feel free to message with any questions. Thank you for looking.

Dimensions:

Inside Diameter 3/4" (1.9 cm)
Outside Diameter 1" (2.5 cm)