1.STRONG CONSTRUCT This 12inch lazy susan hardware made from glvanized plate, durable and has strong capacity, not flexing, tipping or twisting easily under load. It has enough bearings to completely fill the bearing races, which is a definite plus in terms of longevity and strength. 2.360 DEGREE The rotating bearing plate heavy duty with built bearing that can be rotated 360 degree. It is designed as a component for any diy projects that could benefit from a rotating assembly. Adding heavy grease to the ball bearings makes it much smoother and takes out the chatter. 3.USEFUL The round lazy susan hardware operation is smooth and can hold up 1000lbs capacity, doesn't wobble or make any sound that is disruptive. It's useful for CD stands, serving tray, corner shelves, shoe rack, cabinets, dining tables, bookshelves, and flower pots, etc. 4.ABOUT SIZEYou will get 3pcs of 12 inch turntable swivel bases, diameter: 12', thick: 5/16'. It has pre-punched screw holes for easy installation. Just attach the lazt susan hardware to a tray wood board or other home decor, and your DIY lazy susan completed.