Nylon Retainers, Black, Dome, 20mm L, PK50, System of Measurement Metric, Shank Diameter 6.5 mm, Overall Length 21 mm, Shank Type Keyhole, Material Nylon, Head Type Dome, Head Height 1 mm, Head Diameter 17 mm, Color Black, Maximum Hole Diameter 6.5 mm, Maximum Material Thickness 7 mm, Product Type Push-In Rivet, Minimum Material Thickness 4.5 mm, Manufacturer Location Made in USA*, Body Length 20 mm, Material Grade/Class Ungraded, Package Quantity 50. This item has been restricted from sale in the following state (s): []