Overview Reviews Product Description Precision-etched scales provide accurate 90-degree and 45-degree readings.The cast zinc body is durable and gives this combination square a comfortable weight and heft.The stainless steel blade is rust-proof and exceptionally durable.Irwin tools combination square, metal-body, 16-inch (1794471). Irwin Tools Catalog Product Videos Custom Field Manufacturing country CN Product Reviews Write a Review Write a Review × Irwin 16" Metal Combination Square 1794471 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *