Material: The rotating bearing is made of high quality steel with galvanized surface, durable, corrosion resistant and durable. It features a full solid steel design that rotates flexibly and quietly. 360 Flexible Rotation: The bearing of free rotation. Enough balls between the upper and lower square plate allow 360-degree rotation on the lubricated trajectory to meet your daily needs. Design Concept: High wear-resistant design, the ingenious design of full round grooves supports the load absorption of different items. The 360 ball bearing turntable is equipped with support elements to maintain separation and reduce the probability of too much friction. Package includes: 1 x turntable (9.5 x 9.5 cm, 4 inches) with steel balls, The turntable is resistant to strong pressure and is not easily deformed. Sufficient load capacity of about 30 kg / 66 lb. The assembly uses an internal and external spin rivet structure to ensure that it can rotate for a long time and the steel ball does not fall off. Note: The data are all measured manually, please allow an error of 1-3 cm due to differences in light and display, there may be some color differences, please refer to the actual item received.