4 Adjustable 1" Stem Nylon Base Threaded Swivel Glide Levelers Color:Default Title 6mm x standard 1

6mm x standard 1

Center hole is 3/8" diameter

It should be hard to put the bushing into the base

Rubber chair tips are a great cost conscious solution that work particularly well on folding chairs

Size refers to diameter of tubing to be fitted

4 Adjustable 1" Stem Nylon Base Threaded Swivel Glide Levelers Color:Default Title 6mm x standard 1Adjustable threaded stem swivel glides are the perfect solution for uneven desks. These 360 degree swivel glides come in the most common thread type 1 4 20 with a 1" inch stem length allowing you to adjust the glide to nearly any height desired. Each glide also features an all steel construction with a large 1 1 4" inch glide base to give your furniture a large stable surface to sit on.