Introducing SBD's (Pack of 4) 1 1/2" Square Cap Plugs, meticulously crafted for a precise fit in various applications such as steel fence posts, furniture inserts, and fitness equipment end caps. Proudly made in the USA, these square cap plugs are designed to fit tubing with gauges ranging from 10 to 14. With dimensions specifically tailored for tubing with an inner diameter (ID) from 1.29 inches to 1.34 inches, these plugs provide a secure and aesthetic solution. They effectively seal tubing ends, preventing debris and moisture from entering while enhancing the overall appearance of finished surfaces. Constructed from durable materials, SBD's 1 1/2" Square Cap Plugs offer reliability and longevity, making them suitable for both indoor and outdoor use. Whether for DIY projects or industrial applications, these caps ensure a professional finish and dependable protection. Choose SBD's Square Cap Plugs for their quality craftsmanship and versatility, providing a practical solution for a wide range of tubing and piping needs.