1. UNIVERSAL FITS 95% OF CHAIRS The swivel chair casters are suitable for most office chairs as well as chairs for computer games, desk chairs, gaming chairs, executive chairs, swivel chairs, desk chairs or office chairs. Check the specifications of your old caster again before determining the size. 2. Specifications: Diameter 1.5 inches/2 inches (We have a detailed dimensional drawing for your information). 5 pieces load capacity 80–100 kg, 360° rotatable, simple and flexible movement of your furniture and equipment. The precision balls of the swivel chair casters are made of highquality steel, with high hardness, no deformation and long life. Office chair casters with high quality and elasticity can be your excellent office companion. 3. Material (highquality and durable): The brown casters are made of TPE rubber, which has high hardness, strong load capacity, wear resistance, dust resistance, quiet shock absorption and does not damage the floor. Equipped with soft rubber wheels, you will never hear loud noises when pushing your office chair casters on hard floors. 4. EASY INSTALLATION: The office chair casters have stainless and flexible bearings for easy installation and removal. These swivel chair casters also do not clog easily with dirt, sand or hair, they are removable and easy to clean, making the caster set your option for replacing old furniture casters.