The 9 inch carpenter’s Try Square by ROXWood is a commendable marking and measuring tool for both metal and wood materials set at 90 degree angles. The machinist’s essential square ruler lets you conveniently mark dimensions, lengths, and diameters. The premium brassbound rosewood handle adds to the sturdiness and durability of the try square. The lightweight aluminum construction makes it portable and convenient to use. The professional try square is essential for woodworkers, metalworkers, and DIY artists for precise angle measurements.