About This 25.5" wide ring base made of 3/4" high test steel tube ring w/ four welded rectangular steel cross bars measuring 1" x 1/2" and 8 pre-installed glides 10.25" square flat profile swivel plate w/ 65 3/8" Ball Bearings Mounting holes for mounting swivel to underside of chair measure 8" x 8". Holes are rectangular shaped measuring approximately 1/4" x 3/8" Overall height with installed glides and swivel is 1.75" - Black powder-coat painted finish ** Note: The painted finish of the swivel plate and ring are meant only as a protective finish and may have some scratching & marring from storage & handling. This is not meant as a visible finish as the part is normally hidden from view when installed. Overview Brand : chairpartsonline Color : Black Product Dimensions : 25.5"D x 25.5"W x 1.75"H Size : 25.5" Special Feature : 360 Degree Rotation Material High Test Steel Tube Ring, Rectangular Cross Bars, Swivel Plate High Test Steel Tube Ring, Rectangular Cross Bars, Swivel Plate See more : Frame Material Alloy Steel : Material High Test Steel Tube Ring, Rectangular Cross Bars, Swivel Plate High Test Steel Tube Ring, Rectangular Cross Bars, Swivel Plate See more : Frame Material Alloy Steel Seat Material Type Plastic : Maximum Weight Recommendation 300 Pounds : Seat Material Type Plastic : Maximum Weight Recommendation 300 Pounds
