The Desk Chair Heavy Duty Carpet Casters are a set of 5 twin wheel rollers designed for heavy-duty use. Made with durable materials and featuring a sturdy construction, these casters are ideal for rolling desk chairs over carpeted surfaces with ease. The unbranded/generic design and model number R-CH-55-5/Bag indicate a cost-effective option without compromising on quality or performance. Manufactured in Taiwan, these casters provide reliable support for smoothly maneuvering desk chairs within a business or industrial setting.