12 inch heavy-duty Magnum rafter square in aluminum with included manual. Larger layout tool for framing carpenters working with rafters and stair stringers.
Irwin aluminum rafter square at 7 inch beam length. Rafter square supports rafter angle marking and miter cut layout during framing work. Aluminum construction reduces tool weight vs steel square...
8 inch True Blue try square in heavy-duty aluminum with stainless steel blade. Used by carpenters and cabinetmakers for marking 90 degree layouts on lumber and panel stock.