Columbia offers a wide range of high quality Flat Boxes, they automatically dispenses the proper amount of joint compound and feathers the edges of butt joints and flat joints in one pass. The Flat Finishing Boxes helps produce professional results every time. The adjustable crown setting dial allows the user to easily adjust the amount of joint compound applied over the tape on the drywall joint. This is very helpful when progressing from the first finishing application to the second or third application. The pivoting axle helps to compensate when the drywall or sheetrock on one side of the joint is higher than the other side of the joint. Available in 5.5″, 7″, 8″, 10″, 12″ and now 14″ sizes Manual sweeping grip for tight spaces when you cannot actuate the box handle (not on the 5.5″ box) Bead wheel protects axel from wear while running box on bead Hand made from U.S. billet aluminum and steel components
