Longer belts require fewer stanchions saving on purchase cost and set up time. At 11’ this model’s belt is 45% longer than the industry standard 7. QueueMaster 550, Black Post, 11' Black/White Horizontal Stripe Belt QueueMaster features the longest belt options in its class. QueueMaster is a range of high quality, low cost retractable barrier stanchions for forming customer queues or restricting access.