APPLICATION:5-way Metal Connectors structural pipe connectors chain link fence fittings work for connecting rail to post/pipe to pipe. Mainly used for square pipe connection,exhibition stand fittings, guardrail,racks,shelves,clothing display
GOOD DESIGN: The small holes for the self tap screws holds them snug from twisting
NOTE:Please measure the OUTER DIAMETER of your rails in advance before purchasing, and We recommend using gloves during operation