Harper Trucks WBP1-9 single cylinder wall bracket is designed to safely secure cylinders. It meets insurance requirements and eliminates the hazard of loose cylinders. Bracket is equipped with Harper"s exclusive -InchChain-Lok-Inch feature. It is made of reinforced polypropylene to handle most standard sized gas cylinders ranging from 3-Inch to 14-Inch in diameter. It comes with a 1-Inch nylon strap with pinch clasp and 36-Inch spring-loaded steel safety chain with a clip that adjusts around the cylinder. It is 8-Inch wide and 5-Inch high, weighs 1 1/4 lbs. One year warranty, made in America. Since 1953, our mission has been to sell the highest quality products in the market. We have grown from a small, regional metal fabricator to the largest hand truck manufacturer in the world. Through our unmatched service commitments, worldwide distributor network, product guarantees, manufacturing process, and constant innovation we will continue to grow well into the next century.