Materialgalvanized sheet, surface treated with zinc plating, It is resistant to heavy pressure, corrosion and rust resistant. FeaturesThe rotating swivel plate has a ball bearing race to allow the balls to move efficiently and smoothly, 1/4 inch for efficient operation and maximum stability of the mechanism. Stylish designthe bearing can rotate freely, the double bearing rotates smoothly , enough balls in the square top and bottom plates allow 360 degree rotation around the round rail of the pre-lubricated ball bearing, increasing the demand for turntables, flexibly. Easy to use two mounting plates, one to attach another to turn the turntable. The carousel turntable bearing uses quarter inch balls and can be greased to dampen noise. Wide Applicationturntable,suitable for swing shelves in corner cabinets, kaleidoscopes turntables, table service, newspaper racks, rotating music boxes, in kitchen cupboards, etc. The load capacity is very good and can reach 30-40 kg. Features: Square Swivel Plate 360 degree barrier-free rotation. Loading capacity is very good and can reach 30-40kg. Sturdy structure, brilliant design of round grooves that support the load various items and reduce the possibility of excessive friction, safe for the table. Our swivel bearing design features a deeper throat groove, which encapsulates the balls more effectively and allows them to move more smoothly and stably, and the steel ball does not fall off. Use: bookshelf, TV base, turntable connection, swing shoe cabinet, cabinet, etc. Specifications: Material: Galvanized Steel Surface Treatment: Zinc Plated Color: Silver Size: Approx. 94 * 94 mm / 4 * 4 inch Package Content: 1 x Rotary Bearing Note: As different computers display colors differently, the color of the actual item may vary slightly from the above images. Please allow 1-3mm error due to manual measurement. Thank you for your understanding.