Overview Reviews Product Description This Irwin metal combination square features a cast-zinc body and a rust-proof stainless-steel blade to help ensure lasting use.The black, precision-etched scales give you accurate 90° and 45° readings. Irwin Tools Catalog Product Videos Custom Field Manufacturing country CN Product Reviews Write a Review Write a Review × Irwin 6" Metal Combination Square 1794468 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *