QueuePro Mini 300, Black, 16' Dark Blue Belt All QueuePro models have the standard safety features of slow retracting brake system and belt lock to prevent accidental release. This high performance stanchion is manufactured with heavy duty steel making QueuePro a tough durable stanchion ideal for high traffic areas. Widely used in museums, galleries and auto showrooms the base is fitted with a full circumference floor protector giving maximum protection for expensive showroom floors..