This is a professional and practical Chair Swivel Base Replacement designed for your office chair, made of steel material for a long time and use. Chair Swivel Base has a simple design, but very practical in use, giving you a .Features-Color:Silver-Material:Steel-Size:46.00X46.00X8.70cm/18.08X18.08X3.42in-Made of steel material for both tray and base, providing longtime usage for improved safety.-Reasonable structure, easy to install, simple and practical, this Chair Swivel Base can better meet your needs.-This Chair Swivel Base is an efficient and professional office chair base, which can play a good replacement and maintenance effect.-This is a Chair Swivel Base made of steel material, which is stronger in texture and safer to use.-The design is scientific, convenient and practical, which can easily meet your replacement needs and bring you convenience.Package list: 1 Swivel Base