20pcs Chrome Open End Lug Nuts - 7/16" x20 Threads - 0.81" Length - Cone Conical Taper Acorn Seat - 19mm 3/4" Hex - Compatible with Buick Chevy Chevrolet Pontiac Oldsmobile Cutlass Supreme

20-piece package of Short Open End aftermarket lug nuts. These steel alloy lug nuts are cold-forged and heat-treated to ensure strength, performance, and durability. Machine-precision 7/16""x20 threads ensure a snug fit onto vehicle's studs. Coating undergoes salt spray testing to ensure extra protection from rust/corrosion.. Compatible with Buick Century Apollo, Century, GS, GS 350, GS 400, GS 455, LeSabre, Regal, Skyhawk, Skylark. Compatible with Chevrolet Bel Air, Biscayne, Camaro, Caprice, Caprice, Chevelle, Corvette, El Camino, Impala, Malibu, Monte Carlo, Nova. Compatible with Pontiac Bonneville, Catalina, Firebird, Grand Am, Grand Prix, GTO, LeMans, Sunbird, Ventura. Vehicle Must Have 7/16""-20 7/16x20 7/16""x20 Studs. Verify Year/Make/Model in Description.. Total Length: 0.81 inches | Thread Size & Pitch: 7/16-20 | Seat Type: Cone Seat | Color: Silver / Chrome | HEX SIZE: 19mm (3/4"") | STYLE: Short, Open End Lug Nuts. See Diagram for Measurements.. [Safety and Installation] Wheel hardware is an important safety component. Ensure these lugnuts are the proper size before installing. Failure to install correct hardware is unsafe and may cause wheel/tire assembly to loosen or fall off while vehicle is in motion. Torque wrench is required for a safe installation. You'll also need a 19mm (3/4"") Hex Socket Key Tool.. These 7/16-20 lug nuts are not an oem or genuine OE part, but are compatible with various Buick, Chevrolet, Oldsmobile, Pontiac vehicles. We are confident you'll find our lug nuts to be a comparable OEM replacement steel lug nut set, at a significant cost savings.