Johnson Level and Tool 450 8-Inch Try & Mitre Square Structo-Cast Handle Heavy-duty stainless steel blade will not rust or corrode Structo-Cast handle is durable and light weight Available in inch, 1/8" increments or metric (mm) graduations Insert-molded blade for easy storage Measures 45-degree angles/bevels on one side of the square and 135-degree angles/bevels on the other side