Office Chair Casters Floor Protecting Rubber (Set of 5) 50 MM Castor Wheels with Standard Stem Size (Gray) Product Describtion Floor: Can protect hardwood, laminate, ceramic tile, slate and all other hard floor surfaces. Weight bearing: This set of 5 casters can hold up to 330 pounds of chair and rider total weight. Our wheels are very suitable for home or office use. Application: Very suitable as a set of replacement casters for office chairs with hard, noisy and rough plastic wheels. Size: Each caster has a standard size 7/16 inch (11 mm) x 7/8 inch (22 mm) long rod and easy-to-roll 2 inch (50 mm) double caster rubber wheels Note: To ensure that the floor is properly protected, there should be no debris on the floor, such as dust, sand or anything that can tip over, which will damage the floor surface.
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