STRONG STAINLESS STEEL MATERIAL: Rotating Swivel Plate is made from galvanized steel, surface treated with zinc plated, corrosion-resistant and rust-proof, strong and durable, great to satisfy the function of weight bearing. 360 FLEXIBLE ROTATION: Enough beads inside the square top and bottom plate allow for rotation in 360 degrees on pre-lubricated ball bearing's full round track, meeting the demand of turntable in flexibility. ADVANCED DESIGN CONCEPT: Heavy duty structure design, brilliant design of full round grooves support the load bearing of various items and decrease the possibility of too much friction, harmless for table. SPECIFICATION DETAILS FOR REFERENCE: 4 95mm x 95mm/4 x inch, 0.8mm thick square plate, load capacity of 50kg, suitable for indoor or outdoor furniture assembling and handmade working. PRACTICAL & MULTI-PURPOSE USE: Great for replacement use on many stools, bar stools, chairs, Boat Seat, suitable for using with revolving shelves in corner cabinets, turntable kaleidoscopes, tabletop serving, magazine racks, movie poster displays, television and computer monitor.