Front & Rear Bumper Specialty Rivet Aluminum Rivet Stainless Steel Mandrel 5/32" (4mm) Diameter Grip Range: 9/64? - 3/8" (3.6mm ? 9.5mm) Flange Diameter: 7/16" (11.1mm) Compatible With GM: 9132667; for Buick Regal & Verano; for Chevrolet Avalanche, Camaro, Cruze, Malibu, Sonic & Volt 2010 - N.D. 25 Per Package