chairpartsonline 6.25" Replacement Bar Stool Swivel w/3 Degree Pitch - Made in the USA - S4694 Made in the USA - High quality, strong, & reliable bar stool swivel plate Mounting holes are 0.75" long oval shaped slots & accomodate most 5", 5.25" & 5.5" square mounting screw hole patterns (Mounting hardware not included) Full 360 degree rotation on pre-lubricated ball-bearings in a full round track 3 degree angled pitch on back side - popular for stools with a back 6.25" Square top & bottom plates