Patent ID: 8065944

Claim:
A portable cutter used for cutting along a length of a roll of thin sheet material received inside an open top storage box and unrolled therefrom, the portable cutter comprising: a removable, right angle measurement bar with a horizontal portion having a scale thereon and a vertical portion, the measurement bar adapted for attachment to a front side of the open top storage box; at least one cutting blade tool, the cutting blade tool removable and adjustable along a length of the horizontal portion of the measurement bar, the cutting blade tool including an upper guide arm and a lower guide arm, opposite ends of a cutting blade are attached to the guide arms, the cutting blade is disposed perpendicular to the length of the thin sheet material for cutting the thin sheet material; a space between the upper guide arm and the lower guide arm disposed above the horizontal portion of the measurement bar for guiding the thin sheet material on top of the horizontal portion during the operation of the portable cutter; and magnetic attachment means extending outwardly from one end of the lower guide arm, the magnetic attachment means for releasably engaging the horizontal portion of the measurement bar; whereby when adjusting the cutting blade tool along the length of the measurement bar, different widths along the length of the thin sheet material can be cut as the material is unrolled from the storage box, the measurement bar also used as a cutting edge for cutting the thin sheet material to length.