Closed rivets are used where both sides of the rivet are visible or when the rivet comes into contact with another surface, such as bag handles, grips, leashes, collars, harnesses, etc.The listed price is for a pair as shown in the photograph!This size of rivet is used for beta biothane straps.The correct size of the rivet is always determined by the thickness of the material being joined, such as biothane, nylon webbing, leather, or textile. Always add 2mm to the material's thickness.Material: SteelFinish: Antique Brass