8 Wheel Master Carriers offer superior stability and overlap of curtains when drawn. No stiffener required. Great for upgrading cord draw systems. Allows for attachment of wand on the front of the curtain using wand adapter and shoulder screw (not included), or hidden behind the curtain using wand with clip. Sold as left, right, or pair. Color: Off white. Compatible with 84003 and 84004 ball bearing carrier track systems. Wands sold separately or as kit.