DescriptionThese chair wheels are mainly well-made of plastic material for durable and practical use. Rotation wheels, you can move the chair to anywhere you want. With strong bearing capacity, strengthen the bearing area, easy bearing, suit for office chair.Features-Color:Black-Material:Plastic-Size:8.50X4.70X3.30cm/3.34X1.85X1.30in-Note: with brake - Chair wheels can make you move your chair smoothly without worrying about the floor being broken. - Office chair caster wheels are easy to install with unique design for firm and strong attachment. - You can roll around the chair smoothly due to the precision bearings of the caster swivel and axle. - Fine craftsmanship and chic details, the chair wheels are strong loading capacity, practical to use. - Mainly made of plastic material, the chair caster wheels are deformation resistant for lasting use.