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The Blueline USA Flat Box Handle is the industry leader in design and comfort. The large range of handles features a unique braking system that engages at any angle. The Blueline USA flat box handles attach to Flat Boxes and is available in 3ft, 3 1/2...

The Blueline USA Flat Boxes distributes the correct coverage of compound when operating over flat joints on walls and ceilings whilst simultaneously "crowning" the joint. The wheels are mounted on a fixed axle for more rigidity and run inside the blade...

The Blueline USA Flat Boxes distributes the correct coverage of compound when operating over flat joints on walls and ceilings whilst simultaneously "crowning" the joint. The wheels are mounted on a fixed axle for more rigidity and run inside the blade...

The Blueline USA Flat Boxes distributes the correct coverage of compound when operating over flat joints on walls and ceilings whilst simultaneously "crowning" the joint. The wheels are mounted on a fixed axle for more rigidity and run inside the blade...

This comprehensive kit makes putting together your automatic taping tools effortless, featuring the crown jewel – Columbia's upgraded, Predator Carbon Fiber Automatic Taper. Built for true professionals who demand precision and reliability, this...

Columbia XL Tall Boy Mud Pump is a pump that will allow you to stand upright while filling your tools. The extra height also allows for use in a 30 gallon pale for those who want to cut down on mixing time. Hand made from U.S. billet aluminum and steel...

The Columbia Inside 90 Applicator is designed to work with a corner box or compound tube.  It has 3 holes for mud output and can be used in both directions.  The Derlin wheels help the tool run smoothly against the wall surface.  The body is made of...

 The Columbia Automatic Flat Boxes reduce the need to push the compound on to the wall. By engaging, the box springs put pressure on the compound chamber requiring only a light push to operate the box. Well-built and fine-tuned to offer great flat...

 The Columbia Automatic Flat Boxes reduce the need to push the compound on to the wall. By engaging, the box springs put pressure on the compound chamber requiring only a light push to operate the box. Well-built and fine-tuned to offer great flat joints...

 The Columbia Automatic Flat Boxes reduce the need to push the compound onto the wall. By engaging, the box springs put pressure on the compound chamber requiring only a light push to operate the box. Well-built and fine-tuned to offer great flat joints...

 The Columbia Automatic Flat Boxes reduce the need to push the compound on to the wall. By engaging, the box springs put pressure on the compound chamber requiring only a light push to operate the box. Well-built and fine-tuned to offer great flat joints...

 The Columbia Automatic Flat Boxes reduce the need to push the compound on to the wall. By engaging, the box springs put pressure on the compound chamber requiring only a light push to operate the box. Well-built and fine-tuned to offer great flat joints...