Bon Tool’s Aluminum Concrete Chutes are made from 1/8 in. thick durable aluminum alloy and reinforced with cross braces to provide rigidity for strength. The included adjustable chain allows the chute to be secured to the truck. Available in various sizes, 8-ft. to 20 ft. and offered in your choice of straight or flared ends. Bon Tool's products have been trusted by professionals for over 60-years. Bon is committed to the development and improvement of tools for professional contractors and do-it-yourselfers alike. We put our trusted name to every product we sell.