3pcs 22mm Universal Caster Tripod Pulley for Light Stands/studio Boom

1.Add this set of 3 smooth rolling casters to your favorite light stand or boom stand for more mobility in the studio.2.The heavy duty foot activated brake lock on each wheel gives extra security and keeps equipment safe. The 75mm wheels give smooth rolling to make moving your stands a cinch.colour:blackMaterial:Metal + rubberPackage Contents:3 * Universal Caster WheelsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.