Patent ID: 7587833

Claim:
A tool for leveling, plumbing, and squaring comprising: a first arm wherein said first arm further comprises a first substantially flat outward face between a first edge and a third edge of said first arm; a second arm extending perpendicular to said first arm wherein said second arm further comprises a second substantially flat outward face between a second edge and a fourth edge of said second arm; wherein said first arm is attached at one of its ends to an end of the second arm to form a substantially right angle; a third arm that intersects said first and second arms to form a hypotenuse, wherein said first, second and third arms are longitudinally within a first plane; at least one first level means disposed on at least one of said first arm, said second arm, and said third arm; and at least one fastening slot in said second arm, wherein said at least one fastening slot is substantially perpendicular to said first plane.