Features: Experience a quieter workspaces with our A2L chair base swivel plate, designed for 360 degree smooth rotation to enhances your chair's functionality and minimize noise interference. Crafted from high strength steel, this durable and rust resistant swivel plate is easy to install and compatible with various chair types, ensuring long lasting performances. For office workers, home users, and professional who require extended sitting periods, providing comfort and convenience throughout the day. Perfect for use in office environments, home study rooms, conference rooms, and other spaces where flexible movement is essential. Upgrading your seating experience with this versatile chair accessory, making it a indispensable addition to any setting that demands both durability and quiet operation. Specifications: Component:Metal, Plastic Size:Approx.15x25.3cm/5.9x9.96inch Color:Black Package Includes: 1pcs Rotating Chair Base note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.