Patent ID: 7266899

Claim:
A combination level comprising a body having an outer shape of an isosceles triangle, the body comprising an elongate base, an elongate first leg, and an elongate second leg, the legs being of equal length, the first leg and the base meeting to form a first outer apex, the second leg and the base meeting to form a second outer apex, the first and second apex each having a blunted end and the body having a sized uniform thickness to allow removable attachment of a chalk line clip at a selected one of the apexes; the base with a base outer edge, the base having a pair of centrally positioned referencing levels, the levels aligned one to each side of a base centerline in close proximity with one another and parallel with the base outer edge, the base having distally positioned plumbing levels perpendicularly aligned with the base outer edge, the base with at least one elongate opening therethrough, the base further having ruler markings; and the legs each having a leg outer edge, the legs each having a pair of centrally positioned referencing levels, the levels aligned one to each side of a leg centerline in close proximity with one another and parallel with the leg outer edge, the legs each having at least one elongate opening therethrough.