Rolling Casters $5.00 – $25.00 For use with Owl Metal Base Stools Move around freely on your Owl Metal Base Stool! Our duel soft tread casters provide a smooth ride on hard floors and low pile carpet. The non-marking rubber coating is safe for hardwood floors. Rolling Casters come in a set of five for Owl Metal Base Stools. Replacement Rolling Casters can be ordered individually. Size: 2″ diameter, 2 ½” height Select options