A flange with a shoulder piece that may be adjusted into different positions within a shoulder piece opening of a base piece. The shoulder piece includes a lip that catches a recessed portion of the base piece so that the shoulder piece is caught and held in position with the base piece. The base piece and shoulder piece may include complimentary indentations and protrusions so as to hold specific positions relative to one another. The base piece and shoulder piece may include base and shoulder screw holes so that the base and shoulder pieces may be screwed into a specific position.