Designed for the 1937-1938 Oldsmobile F-37, L-37, F-38, and L-38 cars, these front bumper arm grommets measure 4" wide by 2-1/4" long with a 1/2" wide inner slot, ensuring a precise fit for your classic vehicle. Crafted in the USA, these grommets are made from high-quality materials that provide longer-lasting elasticity and durability compared to artificial rubber alternatives. Their sleek black finish complements the vintage aesthetic of your Oldsmobile while offering a snug and secure fit to protect the bumper arm area from wear and tear. Backed by Metro's Platinum Warranty, these grommets are guaranteed for 30 years, giving you peace of mind and confidence in their performance.