4 Metal Base 1" Swivel Glides without Ferrule Material:Metal 5/16"-18 Thread with approximately 5/8"

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

If you are interested in trying to use these glide caps as inserts the outside diameter is approximately 1-1/32" with an approximate height of 5/16"

The 30-408 parts are coated with oil to help reduce the amount of oxidation that causes rust

1" Square multi-gauge glide insert fits a 7/8" hole

4 Metal Base 1" Swivel Glides without Ferrule Material:Metal 5/16"-18 Thread with approximately 5/8"For use on any flooring surface, hard or soft. The chair glide is held securely to the leg tubing with a non reversing hardened steel holding clip. Replacing worn chair glides decreases floor scratching and increases your furniture's mobility.