3-1/8 inch tall Turntable with a Plate | Apollo Caster
Amazon.com: 2Pack Heavy Duty Bar Stool Swivel Plate, 6Inch Chair Swivel Base with Solid Ring of Ball Bearings, 400lbs Capacity Replacement Swivel Seat Parts Lazy Susan Hardware for Barstools Recliner Chair Boat :
Wall Swivel Plate 6" x 6" – Central Tent
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Bar Stool Swivel Replacement | Flat Seat Swivel Plate