ZZYWWP 5 Office Chair Casters, 1.5-Inch, Swivel Wheels with Brake, Universal for Office Chairs, Computer Chairs, Rolling Chairs, Black

Thickened metal base: The office chair base is made of thickened metal, which is more wear-resistant and durable than plastic bases. The base has a brake device, which can effectively prevent the chair from rolling and moving when in use. The brake device is easy to operate and can be locked or unlocked with a button. Smooth and round casters: The office chair has smooth and round casters, which are made of high-quality rubber material. The casters are wear-resistant and have good rolling performance. The casters can rotate 360 degrees, allowing the chair to move freely in any direction. Sanded middle and polished appearance: The middle of the office chair base is sanded, which not only increases the friction between the base and the ground but also makes the chair more stable. The polished appearance of the chair makes it look more elegant and stylish. Built-in all steel precision bearings: The office chair is equipped with built-in all steel precision bearings, which have good rolling performance and long service life. The bearings can reduce the friction between the wheels and the base, making the chair more smooth and quiet when in use. Package: 5 universal wheels, including mounting screws, usually only need 4 universal wheels, one extra spare