Rivets: Type - Snap Rivet; Material - Nylon; Color - Black; Hole Size - nominal - 0.122" (3.1 mm); Fastening Thickness - Min. - 0.217" (5.5 mm); Fastening Thickness - Max. - 0.256" (6.5 mm); Installation - Tooless, Releasable; Length - 0.350" (9.0 mm); Head Height - 0.063" (1.6 mm); Head Diameter - 0.252" (6.4 mm); Flammability-Temperature Rating - Class 94V-0, Temp. Index 120 deg C; Material Specification - Type 6 nylon, RMS #52; Manufacturer Series - SR Series