Fir Tree Push-In Rivet - 0.578 in (14.7 mm) Anchor Length - 0.197 in (5 mm) Compatible Hole Diameter - 0.059 to 0.295 in (1.5 to 7.5 mm) Compatible Panel Thickness Range - 0.508 in (12.9 mm) Head Diameter - 0.091 in (2.3 mm) Head Height - Nylon 6/6 - Blac