Material: These Lazy Susan bearings are made of durable metal zine plated non-rust non-erosion and sturdy with good tolerance to keep quiet and smooth satisfy the function of weights bearing with enough beads inside meet the demand of turntable in flexibility, it is corrosion-resistant, rust-proof and Easy to Clean. Universal: Lazy Susan Turntable Bearings for assembling furniture DIY your own indoor decoration homemade machine and such things by creativity suitable for home office factory and etc. It is suitable for using with revolving shelves in corner cabinets, turntable kaleidoscopes, tabletop serving, pop displays, magazine racks, movie poster displays, television and computer monitor turntables, flower arranging, cake decorating, revolving musical boxes etc. Design conception: design of round grooves for bearing and supporting multiple grooves can satisfy the needs of various items 360 ball bearings turntable equipped with support elements to maintain the separation and decrease the possibility of too much friction no destroy to your floor. All of our carousel turntable bearings use 1/4 inch balls for efficient operation and maximum stability of the mechanism. Size: 9.2 x 9.2 cm/ 3.62 x 3.62 inch (LW) square plate 0.8 cm/ 0.32 inch of height enough loading capacity of about 250 pounds for Bar Stools Chairs Spin Furniture and Display Stand, more strength and durability.