(6) Six 1 2" ~ BRASS ~ Screw TOGETHER Double Capped ~ Leather Rifle 8x4x7mm Leather Fastener Screw Rivets Brass Screw Button Post Metal Chicago Screw Flat Head Rivets for Luxury Leather Crafts Screw Rivet, 15mm x 25mm, Universal Pack of 20 Building Materials Amazon.com: Kyuionty 60 Pcs Screwback Round Head Rivet with Pull Ring. Half Dollar silver screw rivet fastener, can be used as a pin or brooch, or for craft and meding projects! Each is 1. 25" in diameter.