Barbed Push-In Rivet - 0.680 in (17.3 mm) Anchor Length - 0.187 in (4.7 mm) Compatible Hole Diameter - 0.030 to 0.512 in (0.8 to 13 mm) Compatible Panel Thickness Range - 0.492 in (12.5 mm) Head Diameter - 0.067 in (1.7 mm) Head Height - Nylon 6/6 - Black