FULL BEAD SOLID STRUCTURE - These swivel plate bar stools are constructed with high-quality stainless solid steel ball-bearing components and a black coated finish. Made with 2mm thickened solid steel, this swivel plate is thicker than standard models. The turntable supports a load capacity of approximately 132-176 lbs. 360 DEGREE ROTATION - Provides smooth 360-degree rotation on a pre-lubricated ball-bearing circular track. Equipped with 40-50 ball bearings for effortless and quiet swiveling. Resistant to deformation and crushing, ensuring long-lasting performance with smooth, low-noise operation. MULTIPURPOSE USE - Suitable for a wide range of applications including swivel chairs, bar stools, bar chairs, boat seats, kayak seats, Murphy beds, swivel stands, sofas, rotating brackets, display cabinets, display stands, TV stands, wooden turntables, station assembly line rotations, gift boxes, and more. MEASUREMENTS - Size: 6.25 inches x 1 inch. Thickness: 2.5mm. Mounting hole distance: 4.9 inches (Minimum 120x120mm; Maximum 130x130mm). Hole size: 7x21mm. Mounting hardware not included. Load capacity: 60-80kg. The front and back are securely fastened together for reliable weight support. CUSTOMER SERVICE - Feel free to if you have any questions about the product. We offer after-sale support for all our items.