HOW TO FIT: Fits 1 1/2" round OD tube or pipe ( 1-1/2" OUTSIDE diameter) & can stretch up to 1/16” larger for a snug fit without tearing or splitting. 1 1/2" deep / tall to provide a secure fit. EASY TO INSTALL: Our 1 1/2" snap in plug is a long-lasting solution for many household or outdoor projects including: Fence/Fence Railing Posts, Gate Rail Post Covers, Trailer Frame End Posts, Pole Pipe Rod Caps, Metal Bike Fittings, and Wrought Iron Steel Finishing Plugs. FLOORING PROTECTION: Prescott Plastics black ribbed plugs prevent scuffs on wood and other natural floors. They provide a protective “glide” for chair tips, bench feet, table legs, bar stools, patio furniture, and other furniture designed for furniture inserts and plugs. PREMIUM QUALITY PLUGS: Our plugs and inserts are designed to hold up in all harsh weather conditions and high traffic areas. MADE IN USA: These Plastic Plugs are specially designed and produced in USA to maintain quality, endurance and durability. High quality Prescott Plastics brand slip-on vinyl soft PVC end caps. These Vinyl End Caps are designed to fit round tubular steel, wood or plastic. Push-fit Vinyl End Caps can stretch onto slightly larger dimensions for a snug fit without tearing, splitting, or shredding. Made in the USA from soft PVC that will hold up for years of use. **DIMENSIONS ARE FOR CAP INSIDE DIAMETER**