Bar Stool Swivel - 7 inch square MADE IN THE USA - High quality, strong, and durable bar stool swivel plate manufactured in Chicago, IL. We stand by our product and if you should have any issues with the product itself, please return it for a full refund. LIFETIME MANUFACTURER WARRANTY - Trendler stands by their product so heavily they even offer a lifetime manufacturer warranty. If it should break down for any reason due to wear and tear, get a replacement. 7 INCH SQUARE ROTATING SWIVEL PLATES - Two square swivel plates with full 360 degree rotation on lubricated ball-bearings. 0.75 INCH MOUNTING HOLES - Long oval shaped slots to accommodate most square mounting screw hole patterns for most chairs, bar stools, and table tops. (Mounting screws/kit not included) COMMERCIAL GRADE SWIVEL REPLACEMENT - Can handle up to 400 lbs. Pressure sensitive to prevent endless swiveling, which prevents wearing out your swivel faster. Designed for restaurant level of usage.