Open Center Protractor, Plastic, 4" Base, Clear, Dozen
Adjustable Triangular Scale Aluminum Architects Ruler, 12", Silver
Ten Piece Math Tool Kit, Blue and Gray Tools, Hard Plastic Case
Adjustable Triangular Scale Aluminum Engineers Ruler, 12", Silver
Triangular Scale, Plastic, 12", Engineering, Color-Coded
Triangular Scale, Plastic, 12", Architectural, Color-Coded