These high capacity flat boxes from Blue Line USA feature a unique peened construction for additional strength. Unique Flat Box Bead Guides transform your Blue Line Flat Box into a quick and easy way to finish out any style of outside corner: metal, plastic or paper face bead. Just drop one side of the box over the crown of the corner and the Blue Edge will keep you running right down the bead providing a full smooth fill.
The Blueline USA Flat Boxes apply joint compound to all flat recess and butt joints, automatically crowning the joint and feathering the edges. The pressure plate is fitted to an axle for the smoothest operation. The wheels are mounted on a fixed axle for more rigidity and run inside the blade width eliminating the need for touch-ups! - Rugged design built to last
- Larger capacity boxes deliver increased productivity
- improved design for adjusting blade tension allows easy accurate setting for the perfect crown
- Anodized high grade aluminum plates peened together for superior durability
- Pressure plate lid opens wide allowing easy access for cleaning
- Pressure plate mounted on axle with bearings for smoother operation
- Wheels run inside blade width eliminating touch-ups