24 Round 3/4" Multi-Gauge Glide Inserts for Patio Furniture/Tubing Material:Plastic It is suggested that you

It is suggested that you use a drill press to make sure the holes are straight

Make sure you find the widest area of the rail slot and be sure your spline choice is just slightly bigger than that rail slot area so that it will keep the fabric in place when tightened

(Bolts nuts and reinforcing metal straps not included

Please make sure that the thread size of your part is 5/16-18 (not metric)

24 Round 3/4" Multi-Gauge Glide Inserts for Patio Furniture/Tubing Material:Plastic It is suggested that youThis round multi gauge insert glide fits a tube with an outside diameter of 3 4" and an inside diameter of approximately 1 2" 5 8" (14 to 20 gauge tube).