Abstract: An adjustable corner bead apparatus for aid in the construction of interior wall is provided, the apparatus including a first and a second elongated flange and a corner rod member. Each flange includes a first edge, a second edge opposite the first edge, and a plurality of axially aligned cylinders. Each of the plurality of cylinders are disposed on the first edge of each flange, each of the plurality of cylinders includes an axially aligned bore therethrough. The first and second flanges are disposed such that the first edge of the first flange is proximate the first edge of the second flange and the plurality of cylinders of the first flange are aligned coaxially with the plurality of cylinders of the second flange. The corner rod member is disposed in each bore of the plurality of cylinders of the first and second flanges.