16 Coved Nylon Stem 3/4" Bumper Glides for Tubular Chair Bases Color:Black 5/16"-18 Thread with approximately 5/8"

5/16"-18 Thread with approximately 5/8" stainless steel threaded stud adjustable glide

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

Fits tube size: and 1/8" and 7/8" outside dimension

Fits over 1-3/4" flat metal disk or flange on patio furniture feet (outside diameter of cap is 1-15/16"))

16 Coved Nylon Stem 3/4" Bumper Glides for Tubular Chair Bases Color:Black 5/16"-18 Thread with approximately 5/8"Typically used on base of swivel chairs. The stem bumpers keep the round base of the patio chair from sitting directly on the ground. Most swivel bases use 6 to 8 stem bumpers per chair. Stem bumpers can be flat or coved (curved) to fit the shape of the tubular metal of the patio chair base. This coved stem bumper fits 1 4" hole and is about 1 2" long (the stem can be cut to fit length as needed). The base disc is 3 4" round and is coved to fit over