SWIVEL BASE MOUNTS. Specifications: Material:Premium pickling plate; Surface treatment:black paint; 10-inch turntable; Screw hole distance:215mm(8.5inch); Bearing diameter:230mm(9inch); Aperture:23mm(0.9inch); Length:244mm(9.6inch); Width:242mm(9.5inch); Height:20mm(0.8inch); Weight:2138g; Bearing weight:180KG; Steel plate thickness:22mm(0.9inch); It also can be widely used in bar chair, lounge chair, etc; Features: 1.360°free rotation, double bearing smooth rotation, flexible, small swing gap, enhanced bearing capacity and long service life. 2.The turntable is subjected to a large amount of pressure and is not easily deformed or crushed. 3.Long service life. 4.The structure is full of beads. 5.A wide range of uses such as home furniture, boat seat, etc. 6. The lubricating oil between the steel balls is made of imported damping grease, which rotates smoothly and has low noise. Packaged included: 1x Swivel base mounts. Note: 1. Please allow 0.5-1cm differences due to manual measurement. 2. Due to the light and screen difference, the item's color may be slightly