Check the listing for details. Drywall Taping Tool Flat Box 12" MEGA Automatic | DEWALT | DXTT-2-769. Condition: New. Listed at 424.99 USD. DEWALT® 12” MEGA Flat Box Model: DXTT-2-769 | UPC: 815966021828 OVERVIEW Flat boxes function to apply an even and consistent joint compound to taped, flat joints on walls and ceilings. DEWALT MEGA flat boxes hold 50% more joint compound than the traditional designs. DEWALT MEGA flat boxes feature high quality anodized aluminum construction and traditional brass blade holder with stainless steel blades to withstand the harshest of working conditions. The highly versatile adjustable crown dial ensures the precise amount of mud is delivered to the wall providing the smoothest and most consistent results. DEWALT MEGA flat box blade is made to be flexible which provides the proper crown and compound application whether doing a first fill-coat or final finish-coat. All wear parts of the flat box is built intended to universally fit competitive brands at significantly lower prices for increased versatility over your tool selection. DEWALT MEGA flat boxes are available in three sizes: MEGA, 7” (DXTT 2-767) MEGA, 10” (DXTT 2-768) MEGA, 12” (DXTT 2-769) PRODUCT FEATURES MEGA models hold 50% more joint compound than standard flat boxes. Efficiently applies an even, feathered layer of joint compound to taped flat and butt joints on walls/ceilings. Brass blade holder and SS blade allows for proper compound application and crown.