Tensabarrier® Wall Unit, Steel, Screw Mount, 30', Black and Yellow TapeWall units are a perfect solution for situations where a flexible, retractable barrier is required without taking up floor space Used in a wide variety of settings including warehouses, factories, airports, multiplex theatres, shopping malls and banks Long belts lengths for closing very wide spans Heavy duty belt will provide years of service without fraying or puckering Patented Slow Retract braking mechanism ensures belt retracts slowly and safely