Features:* Made of effective material, and reliable* Suitable for bar chairs, workplace swivel chairs, vehicle seats, display stands and more.* Strong load-bearing capacity, demanding to deform or squeeze* Can rotate for 360 levels freely and smoothly*Uses a quarter-inch ball to circumvent noise.* There are three diameters in your : 3 inches, 4 inches, 6 inchesSpecification:* Material: galvanized sheet* Colour: Black* Optional diameter: 3 inches, 4 inches, 6 inches* Size: 3 inches 71*71mm, four inches 94*94mm, 6 inches 155*155mm* Quantity: 1PCSPackage content:1 x hole turntableNote:1. The real coloration of the item may be barely varied from the photographs proven on web page brought on by many factors reminiscent of brightness of your computer screen and lightweight brightness.2. Please enable slight guide size deviation for the data.