For the 1938-1939 Lincoln Model K, Zephyr, and Series K cars, these rear bumper arm grommets measure 4-1/4" long by 2-7/8" wide, with a 1-3/4" long inner slot, ensuring a precise fit for your classic vehicle. Designed to replace worn or damaged grommets, they provide a clean and secure mounting point for the rear bumper arms, enhancing both functionality and appearance. Made in the U.S.A., these grommets are crafted from high-quality materials that offer longer-lasting elasticity and durability compared to artificial rubber alternatives. Their sleek black finish complements the timeless elegance of your Lincoln, ensuring your restoration looks as good as it performs. Backed by Metro’s Platinum Warranty, these grommets are protected for 30 years, giving you peace of mind for decades to come.