Features: Experience enhances safety and durability with our steel swivel chair base featuring integrated explosionproof plate, designed to provide reliable support for your office or bar chairs. This black classical design offers 360 degree rotation and easy installation, making it for various chair types and setting. Ideal for office workers, home users, and anyone looking to replace their chair base with a sturdy and secure option. Perfectly suited for office environment, home study rooms, and bar counters, this chair base adapts seamlessly to multiple setting. Upgrades your seating experience with this robust iron construction, ensuring long lasting performances and stability for everyday use. Specifications: Component:Iron Size:Approx.21x13cm/8.27x5.12inch Color:Black; Package Includes: 1pc Chair Tilt Base note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.