Rear Bumper Arm Grommets For Terraplane Series 71 1937, Series 72 1937; BG 21-ADesigned for the 1937 Terraplane Series 71 and 72 cars, as well as the 1938 Terraplane Series 81 and 82 cars, these rear bumper arm grommets measure 3 1 4" wide by 4 5 8" long, with a 1 3 4" long inner slot. Crafted in the USA, they are made from high quality materials that offer longer lasting elasticity and durability compared to artificial rubber alternatives. These grommets are designed to fit snugly around the rear bumper arms, providing a clean,