Roll On Casters For Audio Stand Pangea Audio Vulcan Roll-on Casters – Set Of 4 – Pangea Audio Set Of 4 Rolling Casters The mounting height of the caster is 2-5/8. Pangea Speaker Stands Pangea Audio Vulcan Roll-on Casters – Set Of 4 Audio Rack The front and sides of the shelf are contoured for a streamlined look Quick and Easy Installation – Just use the casters in place of the cone feet and spikes that came with your Vulcan rack or stand. Pangea Audio Vulcan 4-Shelf Audio Rack Sets the Bar for Value: Easy-to-Assemble Modular Unit Helps Defeat Vibrations, Looks Great, and Adjusts... Add mobility to your Pangea Audio Vulcan AV furniture with Pangea's Roll-On Casters. Pangea Audio Vulcan 4-tier audio rack (Rosenut) Photo #4174255 - US Roll-On Casters are strong, featuring durable metal mounting stems and wheel guards and providing 80 pounds of support per caster.