Closed rivets are used where both sides of the rivet are visible or come 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 photo!This rivet size is used for beta biothane straps.The correct size of the rivet is always determined by the thickness of the material to be joined, such as biothane, nylon strap, leather, or fabric. Always add 2mm to the material width.Material: SteelFinish: Nickel-plated