Nylon Retainers System of Measurement Metric Shank Diameter 9 mm Overall Length 29 mm Shank Type Keyhole Material Nylon Head Type Dome Head Height 1 mm Head Diameter 13 mm Color Black Maximum Hole Diameter 9 mm Product Type Push-In Rivet Manufacturer Location Globally Sourced Body Length 28 mm Material Grade/Class Ungraded Package Quantity 4