This 3" diameter non-locking caster is designed for use with PipeLine collection apparel racks. Black rubber wheel with 3/8" x 1" long threaded stem. This caster carries a 100 lb weight capacity. The PipeLine collection is a uniquely designed merchandising collection based on the industrial grade clothing racks popularized in New York's garment district. This stylized and refined version incorporates interconnecting plumbing pipes and connectors.