100mm Lazy Susan Aluminum Bearing for Glass Turntables100mm Lazy Susan Aluminum Bearing for Glass Turntables 100mm (3. 93" inch) Lazy Susan Aluminum Bearing for Glass Turntables, The Diameter is 100mm (3. 93" inch) and The height is 16mm (0. 63" inch), the shape is round. Aluminum core for smooth swiveling Two surfaces have bright silver luster Lazy Susan is turntable rotates 360 degrees in any direction 100mm Lazy Susan Bearing Lazy Susan Bearing Lazy Susan Outer Diameter: 100mm Lazy Susan Outer