RELIABILT 1-1/2-in Black Cap in the Black Pipe & Fittings department at Lowes.com
Anvil Pipe Fitting Galvanized Pipe Cap
Made in USA 2" Inch (50mm) Round Rubber Plugs for Holes, Flexible Black Rubber End Caps, Hardware Plugs, Metal Tubing Post Rubber Cover Protective End Caps for Furniture by Prescott Plastics -
Two Inch Aluminum Termination Cap
2 in. FPT 150# Global Galvanized Malleable Iron Cap | Ferguson
Black Pipe Plug For 2" Steel Pipe [1 7/8" OD Actual] - Internal Pipe Cap (Polyethylene) Jiggly Greenhouse®
B & K 511-407 Pipe Cap, 1-1/2 in, FIPT, Iron, 300 psi Pre...
6 Inch Metal Pipe Accessories , Npt Threaded Pipe Caps Abrasive Resistance
Amazon.com: Made in USA Prescott Plastics 1" Inch Square Vinyl Plug Insert, Rubber End Cap for Metal Tubing, Fence, Glide Insert for Pipe Post, Chairs and Furniture - Pack of 10 :
4" Galvanized Malleable Iron Pipe Fitting Cap | Fittings N' Valves