Check the listing for details. SLC Stainless Steel Double Capped Rivets for Leather Projects in Multiple Sizes. Condition: New. Listed at 10.95 USD. SPRINGFIELD LEATHER COMPANY SLC | Steel Double Cap Rivets These are our most Popular Style Rivets that we sell! Double Cap Rivets are used for Fastening Leather and Garment Material Together, Double Cap Rivets will give you a nice Finished look on both sides of your Leather Piece. NOTE: To properly set a Rivet you will need Granite, Poly Board, Rivet Dot Anvil, a Rivet Setter, and a Poly Mallet. If you have any questions please feel free to ask! Double Cap Rivets Post and Cap Measurements: Extra Small Double Cap Rivet :Total Length 6mm : Cap Diameter 6mm : Post Diameter 3mmSmall Double Cap Rivet :Total Length 7mm : Cap Diameter 8mm : Post Diameter 3mmMedium Double Cap Rivet :Total Length 9mm : Cap Diameter 9mm : Post Diameter 3mmLarge Double Cap Rivet :Total Length 10mm : Cap Diameter 9mm : Post Diameter 3mmExtra Large Double Cap Rivet :Post Length 9/16" : Cap Diameter 8mm : Post Diameter 4mm