8 Wheel Master Carriers offer superior stability and overlap of curtains when drawn. Use for ripple fold with snap tape draperies. Requires the use of a stiffener (84122). Allows for attachment of wand on the front of the curtain. Includes wand adapter and shoulder screw. Sold as left, right, or pair. Color: Off white. Compatible with 84003 and 84004 ball bearing carrier curtain track systems.