100sets Double Cap Rivets for Leather-crafts 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm | eBay
5mm x 8mm Button Head Solid Rivets (DIN 660) - 18-8 / 304 Stainless Steel: Accu.co.uk: Hardware
Amazon.com: CRAFTMEMORE 8mm Cap x 10mm Post Leather Rivet Double Cap Rivets Tubular Metal Rapid Rivet Studs Leather Craft 50 Sets (10 mm Post, Silver) : Arts, Crafts & Sewing
Novus 105082306 Blind rivet (Ø x L) 4 mm x 8 mm Aluminium Aluminium 30 pc(s) | Conrad.com