Quarter Turn Fastener Dzus doubler plates are made out of .040" aluminum and measure 1.750" in diameter. Perfect for reinforcing your carbon fiber and fiberglass panels, hood scoops, tin work and nose pieces on your race cars. Finish is natural aluminum, hole is for a .400" diameter Dzus and comes dimpled. Forth picture is an example of a doubler with smash rivets.
Doublers are sold each and RBS carries alum. smash rivets under #420-0035.