Plastic Threaded Tube Inserts or Threaded Plastic Tube Inserts, Threaded Plastic Inserts for Tube, Tapped Tube Plugs, Threaded End Caps, Threaded Plastic Foot Inserts, Threaded Tube End Stops, Threaded Tube Bungs, Tapped Tube Cap Ends and Tapped Knock-In's, all designed to knock into the Ends of Tube, Box Section and Pipe.
Our Tube Fittings are always listed as you would buy the Tube, so it's Outside Dimensions x Wall Thickness or Guage Size
