[Size] 8" Square top, thickness 1", hole
size: 7*21mm
[ 2.5 mm solid steel] This swivel plate is made of 2.5 mm thick solid steel, which is thick and reliable
[360-degree rotation smoothly] Pre-lubricated balls inside, 360 degree rotation smoothly
[Applicable] Suitable for swivel chairs, bar stools, rotating brackets, display cabinets, etc.
[Customer services] If there is any question with our product, we will solve it for you in time.