<ul> <li>Add smooth-rolling convenience to your OFM Big & Tall chair</li> <li>Casters are specifically designed for hard surfaces including tile, concrete, wood, and vinyl</li> <li>Strong, durable plastic wheel construction holds up even under intense use</li> <li>Fits the following OFM models: 47, 247-VAM, 700, 700-AA6, 710, 711, 800-L, 580, 590, and 654</li> <li>Sold in a set of 5 casters to fit OFM 5-star bases</li> </ul>