16 Nylon Flat Stem 3/4" Bumper Glides for Tubular Chair Bases Material:Nylon You will need to use

You will need to use your old fiberglass rocker spring plate as a template to measure and drill holes to fit your furniture

This flat stem bumper fits 1/4" hole and is about 1/2" long (the stem can be cut to fit length as needed)

Fits 3/4" - 7/8" inside diameter hole

Center of top hole to center of middle hole is 4

16 Nylon Flat Stem 3/4" Bumper Glides for Tubular Chair Bases Material:Nylon You will need to useTypically 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 flat 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 about 3 16" thick.