The Throttle Box is another great product of ours that offers years of great performance. All billet construction with a threaded stainless steel ball, this Corner Box looks and operates seamlessly. All our Corner Boxes now come standard with automatic capabilities, making pushing the box at least 50% easier than standard boxes. The new springs have adjustable tensions and greatly reduce the occurence of air pockets while running. The Throttle Box allows the corners to be quickly coated with your choice of angle head or applicator head. *Patent Pending Features Available in 7" and 8" sizes New spring tension allows for 50% easier push Hand made from U.S. billet aluminum and steel components Machined in our state of the art facility in Canada Patent Pending Purpose Used in combination with our corner finisher, this tool moves compound through the corner finisher allowing the corner finisher to feather the mud into the internal corner joint.
