Office Chair Caster Wheels Standard Stem Size 7/16"(11mm) 7/8"(22mm) Carpet Hardwood Floor Use,Heavy Duty up to 500 Lb Max Weight, the Best Lifetime Guarantee,Black,Set of 5

Description

Standard replacement caster wheels for office chair.Size:Inches: 7/16" Steam Diameter x 7/8" Steam Lengthmm: 11mm Steam Diameter x 22mm Steam LengthFeatures:They feature a steel Grip Ring stem. The Grip Ring system means you won't have to worry about the casters falling out of the chair base when you roll around.The wheels themselves are made of durable heavy duty urethane. This allows them to roll with ease on most carpeted surfaces.The material and design prevents them from scratching most hardwood floors. Weight Rating:Each caster is rated to carry 100 pounds, which means that a set of five will hold a static load of 500 pounds.However, for best results, we do not recommend Miracle Casters for individuals over 500 pounds.