It is often used for leather ends used to firm the belt loop on sheaths and holsters. The circle in the middle has angle marks, and you can draw arcs.
Round Leather Corner Cutting Ruler Metal Circle Template for Leather Craft
8PCS Durable Leather Round Circle Cutting Die Alloy Steel Leather Punching Tools
8PCS Black Leather Round Circle Cutting Die Alloy Steel Leather Punching Tools
Round Storage Tray Leather Cutting Die Wooden Punch Mold for DIY Craft Durable
8PCS Leather Round Circle Cutting Die Punching Tools With Storage Case
