Description Are you looking for professional and durable chair wheel casters for your office chair or computer chair? High strength and good performance make these replacement casters an excellent choice for office and home furnishings. Features -Color:Black -Material:Plastic, Metal - Size: 7.80X5.00X5.00cm/3.07X1.97X1.97in - The bottom is made of stable material, causes to the floor and no noise to keep quiet atmosphere. - Used to convert swivel home and office chairs with casters into fixed casters. - These glides remain stable across smooth floor surfaces such as wood, tile, and laminate. - Contemporary design, strength and performance make these replacement casters an excellent choice for office and home furnishings. - With appropriate stems and fasteners, each caster can be used on wood, metal and tubular metal chairs, furniture and other equipments.Package list: 6 x Wheels Casters