Designed for 1937-1940 Buick Century Series 60, Limited Series 90, Roadmaster Series 70/80, Special 40, and Super Series 50 cars, these rear bumper arm grommets measure 2-7/8" wide by 4-3/8" long, with a 1-3/4" long inner slot. Crafted in the USA, they offer exceptional durability and elasticity, far outlasting the artificial rubber alternatives used by competitors. These grommets are designed to fit snugly around the rear bumper arms, providing a clean, finished look while protecting against wear and tear. Their robust construction ensures they maintain their shape and function over time, even in demanding conditions. Backed by Metro’s 30-year Platinum Warranty, you can trust in their long-lasting performance and quality.