CRB14 #14 Copper Rivets w/ Burrs, Solid Copper (1lb. bag)#14 Copper Rivets with Burrs 1 lb. Bag Post Length: 1 2" (12. 7mm) (approx. 424 sets per 1lb. box) 3 4" (19. 0mm) (approx. 334 sets per 1lb. box) 1" (25. 4mm) (approx. 286 sets per 1lb. box) *Equal amounts of rivets and burrs not guaranteed* Dimensions: Head Diameter: 7. 9mm (0. 31") Post Diameter: 2. 5mm (0. 10") Burr Diameter: 7. 9mm (0. 31") Burr Thickness: 0. 7mm (0. 027") Setting Tools: #14 Copper Rivet Setter (3 Piece Set)