BOX YOUR CORNER BEAD WITH BEAD BOXERS. The Bead Boxer Flat Box Cornerbead Kit adapts to your flat box and allows you to finish corner metal, paper-faced bead, and bullnose corner bead with speed! *Will not work with Blue Line USA/Premier BeadBoxers...

Blue Line is proud to announce the release of a new model Flat Box Although Blue Line had made several changes to the old design, it was essentially the same as the Premier box from 20 years ago - time for an update! The Blue 2 boxes feature a smaller...

Blue Line is proud to announce the release of a new model Flat Box Although Blue Line had made several changes to the old design, it was essentially the same as the Premier box from 20 years ago - time for an update! The Blue 2 boxes feature a smaller...

8" High capacity flat boxes from Blue Line USA. Peened construction adds strength. - Rugged design built to last - Larger capacity boxes deliver increased productivity - improved design for adjusting blade tension allows easy accurate setting for the...

The RP200 Recess Plate is designed to be fitted to a Blue Line 8 in. Flat box, to reduce the finished width to 5.5 in. This is great for filling the recess after taping and provides a clean machine finish, feathered at the shoulder of the recess. The...

High capacity flat boxes from Blue Line USA. Peened construction adds strength. Flat box bead guides convert your flat box into an outside corner finisher. - Rugged design built to last - Larger capacity boxes deliver increased productivity - improved...

Blue Line is proud to announce the release of a new model Flat Box - the Blue 2. Although Blue Line USA had made several changes to the old design, it was essentially the same as the Premier box from 20 years ago - time for an update! The Blue 2 boxes...

Give yourself an edge over the competition, the Blue Edge! Get The Blue Edge! 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. Installation is quick and easy,...

Rubber gasket bar system and rubber roller wheels stay flexible to provide a soft ride even when dirty. Pivoting axle helps keep the box on the wall with less effort providing you better control and accuracy. Here's one tough box. The adjustable,...

Rubber gasket bar system and rubber roller wheels stay flexible to provide a soft ride even when dirty. Pivoting axle helps keep the box on the wall with less effort providing you better control and accuracy. Here's one tough box. The adjustable,...

Rubber gasket bar system and rubber roller wheels stay flexible to provide a soft ride even when dirty. Pivoting axle helps keep the box on the wall with less effort providing you better control and accuracy. Here's one tough box. The adjustable,...

Rubber gasket bar system and rubber roller wheels stay flexible to provide a soft ride even when dirty. Pivoting axle helps keep the box on the wall with less effort providing you better control and accuracy. Here's one tough box. The adjustable,...