Best Imported Products Replacement Heavy Duty Square 10.25" X 10.25" Swivel Plate Ball Bearing Mechanism for Recliner Chairs/Furniture that Needs 360 Degree Rotation Heavy Duty steel swivel plate approximately 10.25 X 10.25" X 7/8" Mounting hole dimensions from corner to corner are 8" X 8" with hole size at 1/4" to 3/8" inches Solid Steel Heavy duty Swivel Plates with full rack w/49 ball bearings in between swivel plates Fits Dura-Glide, Leggett and Platt, and Hickory Springs mounting holes and most imports Perfect replacement or to add swivel motion to a chair, outdoor patio furniture or other furniture you want to add 360 motion to.