Procity Universal Swivel Height Restrictor BarrierThe Procity Universal Swivel Height Restrictor Barrier allows you to proactively manage access in and out of parking areas by lorries and caravans. The barrier is mounted on a cylindrical shaft with rotation handles, which stops to hold the height restrictor in a closed position or open position at a 90 degree angle. It is constructed of steel tubes and the finish is lacquered in white over galvanised steel with red reflective strips. There are