Product Description Galvanized, rail end cap, sturdy, snug fitting, pressed into rail to eliminate any bird or weather problems by keeping track free of foreign materials, can be used as center stop, boxed loose. From the Manufacturer Galvanized, Rail End Cap, Sturdy, Snug Fitting, Pressed Into Rail To Eliminate Any Bird Or Weather Problems By Keeping Track Free Of Foreign Materials, Can Be Used As Center Stop, Boxed Loose. Provides a sturdy fit Prevents foreign objects from landing on track Allows usage as a center stop