Black UL94 V-2 Nylon Round Snap Push-In Rivet - Compatible Hole Diameter Range 5.1 - 5.2 mm (0.201 - 0.205 in) Compatible Panel Thickness Range 3.5 - 4.5 mm (0.138 - 0.177 in) Anchor Length 6.5 mm (0.256 in)