A 2.5″ diameter post and small 5” diameter fixed base allows you to keep the floor clear and prevent tripping hazards while securely fastening stanchions flush to the floor. These ADA compliant stanchions include double belts, designed with built in belt braking technology to prevent belt damage with retraction and allow durability with daily use. These twin belts extend to lengths of 7.5 feet, 9 feet, or 11 feet and come in a wide variety of colors and messaging.