Patent ID: 8375592

Claim:
An adjustable construction square comprising: an elongated blade member having a longitudinal axis, a top surface and a bottom surface; side surfaces; and, an elongated through slot extending along said blade longitudinal axis; said elongated blade having a first end and a second end; said first end of said elongated blade having a contour; an elongated cross member having a longitudinal axis; a top surface and a bottom surface; side surfaces; said elongated cross member having a first end and a second end; said first end of said elongated cross member having a contour; said first end of said elongated blade is coupled to said first end of elongated cross member; a clamping jig that is coupled to said elongated blade member and said elongated cross member; said clamping jig having a clamping jig arm and a clamping device; said clamping jig arm having a first end and a second end; said first end of said clamping jig arm is coupled to said elongated cross member; said second end of said clamping jig arm is coupled to said clamping device; said clamping device is coupled to said elongated blade; said clamping device having means for securely tightening said clamping device onto said elongated blade member of said adjustable construction square; said clamping device having a first component and a second component; said first component having an angled sidewall; and said second component having has an angled sidewall.