UNIVERSAL 50 Pack 1.25 Inch Square Tube End Caps Black Plastic Square Plugs Tubing Post End Cap for Square Metal Tubing Fits square pipes with an inner diameter of 1.05 inches – 1.18 inches or (26.7mm – 30mm) Plug has a series of tapered flexible ribs to ensure easy installation, safer installation and a wider range of applications Sold 50 Per Pack
