This is a size 12 1/2" long brass rivet and burr. Package count is 50 complete rivet and burrs.
Available in sizes large diameter post (#9) and medium diameter post (#12). #9 base diameter is 1/2" (13 mm). #12 base diameter is 3/8" (10 mm).#9 has a thick post. Use Copper/Brass Rivet Setter #8110-00.#12 has a medium post. Use Copper/Brass Rivet Setter #8110-01.
9 Solid Brass Rivets With Burrs 1 Length - Leather Fastener - Makes 10 Complete Sets ⋆ Hill Saddlery
Rivets and Burrs Springfield Leather Co.
Available in sizes large diameter post (#9) and medium diameter post (#12). #9 base diameter is 1/2 (13 mm). #12 base diameter is 3/8 (10 mm). #9
Tandy Leather #12 Brass Rivets & Burrs 3/4 (19 mm) 75/pk 11281-21
6.5mm Brass, Single Cap Jiffy Rivets, 100ct, #NB206S-SB – Weaver Leather Supply
Tandy Leather Factory Flat-Round Leathercraft Rivets for sale
Hardware - Rivets - Page 1 - Stecksstore
6.5mm Brass, Single Cap Jiffy Rivets, 100ct, #NB206S-SB
Brass Flat-Round Leathercraft Studs, Rivets & Tacks for sale
Leather Rivets - Copper, Brass, Nickel - Weaver Leather Supply
More than 10 mm Flat-Round Leathercraft Studs, Rivets & Tacks for sale