Rivets: Type - Button Rivet; Material - Nylon; Color - Natural; Hole Size - nominal - 0.031" (0.8 mm); Installation - Tooless, Releasable; Length - 0.210" (5.3 mm); Head Height - 0.187" (4.8 mm); Head Diameter - 0.390" (9.9 mm); Flammability-Temperature Rating - Class 94V-0, Temp. Index 110 deg C; Material Specification - Type 6 nylon; Manufacturer Series - MB series