Drive Fastener Push-In Rivet - 0.551 in (14.0 mm) Anchor Length - 0.154 in (3.9 mm) Compatible Hole Diameter - 0.039 to 0.197 in (1.0 to 5.0 mm) Compatible Panel Thickness Range - 0.354 in (9.0 mm) Head Diameter - 0.063 in (1.6 mm) Head Height - Acetal -