Complete set of 5 Caster Wheels with your choice of Chrome or Bronze Hoods. They are a standard size that will fit many typical office chairs, stools, etc. Upper black nylon barrel or "neck" is 5/8" diameter. Metal stem length is 7/8" and stem width is 7/16". Wheel diameter is 2". These wheels have hard nylon treads which are usually preferred for carpet surfaces. Hard treads are not recommended for hardwood floors. Pricing is per complete set of 5 chair wheels. Specify a quantity of 1 for 1 set.. 2 for 2 sets.. etc. Satisfaction guaranteed, if chair casters do not meet your needs, just return within 30 days for a refund. Shipping is not refundable. If you have any questions, just call toll free.

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