Amazon.com: NC HAISDA Folding Knife Corby Bolts Pocket Knives Pivot Pins EDC Knifemakers Screw Fasteners Rivets DIY Knife Handle Studs Pack of 10 17mm : Tools & Home Improvement
Pocket Knife Pin, Lapel Jacket Hat Pin, 1716 | eBay
Amazon.com: OKNIFE Drever One Hand Folding Knife(88.6mm) N690 steel with excellent sharpness and edge retention Sharp pocket knife with G10 handle and pocket clip, Double sided thumb pins and a flipper :