180mm 7 inch Aluminum Rafter Square Carpenters Square

– Heavy-Gauge billet aluminum alloy rafter square made of die-casting aluminum. – Light and convenient. – Good oxidation resistance. – Thickened, corrosion-resistant and high hardness. – With permanent laser engraved scales. – Frosted smooth surface, wear-resistant, clear scales on the ruler surface. – Can be used as a protractor, woodworking compass, triangle square and frame square. – The horizontal base is smooth and practical and is convenient for marking. – The edges and corners of each triangle are polished by special craftsmanship for comfort and longevity. – 7 x 7 x 10 inches – 180 x 180 x 250mm – 2.2cm/0.87 inch base