Columbia Taping Tools 8" Automatic Assist Drywall Flat Finisher Box features precision joint compound metering adjustment for top quality finish surfaces on drywall butt joints and flat seams. Integrated door axle and pressure plate system allows smooth, easy operation and quick access for easy cleanup! New, ultra-reliable door plate wiper resists expansion or deterioration, for long-term ease of operation and greater reliability.

8" Automatic Assist Drywall Flat Finisher Box by Columbia Taping Tools has a new and improved spring pressure assist that requires far less manual pushing to dispense compound. Save time and reduce fatigue by letting the tool do more of the work.

Spring assisted with an improved wiper on the pressure plate, combined with a smooth pivoting hinge axle, making this one of the easiest drywall flat finisher boxes to operate. Columbia features a handy finger pull on the pressure door that makes fill-ups quicker and easier