Applies the correct amount of joint compound to flat joints. Built TradeTuff® with USA billet aluminium and steel components, featuring a hardened steel blade with a brass blade holder and adjustable crown settings. Pivoting axle compensates for uneven wall surfaces. Outside mounted rubber o-Ring roller wheels provide a superior finish and soft ride. Hinged door enables ultimate cleaning efficiency. Holds 40% more compound than standard boxes - the largest capacity available meaning fewer trips to the pump! Loads compound via the Compound Tube or Loading Pump with Nozzle Attachment. Can be used with fixed or extendable handles. 5-year warranty.