1-1/4" OD 3 Way plastic corner for triangles with spring buttons Set of 4

Our 1-1/4" plastic molded 3 way corner is designed to work with our 1-1/4" OD x .049" wall round tubing. This 3 way corner can be used to build aluminum tubing triangles and aluminum tubing triangular prisms and other 3D structures. This 1-1/4" plastic 3 way triangular corner fits with Testrite's 0.049" wall 1-1/4" round tubing with a good fit with only a small amount of play, enabling 90 degree connections between two 1.25" outside diameter tubes. This 1-1/4" plastic triangle corner has a max thickness at the part that goes into the tube of 1.13" and is tapered up to that, meaning it should fit onto .060" tubing, although a rubber mallet may be required, and the fit may depend on the quality and consistency of your tubing wall and ovality. If you intend to use these corners with .060" tubing, we recommend purchasing a sample first to test. This plastic corner can work with Testrite's .038" wall 1.25" OD tubing when we apply indentation rings to our tubing. While we don't offer indenta