Squeeze together and insert half into one side of tubing, splice will spring back when released and stay in place securely to connect two pieces of tubing from inside. Leaving an unnoticeable seam. Fits inside of 1-1/2" O.D. tubing, intended for tubing with .065 wall or when connecting tubing of different wall thicknesses and for vertical or sloped applications. Splice is approximately 6" long.