This Swivel Glide swivels to the angle needed if your table or chair leg is cut at an angle to the floor - up to 20 degrees. The height is adjustable up to 1 1/2" (for leveling on uneven floors, or raising the entire piece) Tee nut included.
Diameter: 1 5/16"
Installation: Drill a 5/16" hole in leg. Tap in the included T-Nut with a hammer, and screw the shaft into the T-Nut to the appropriate height.