[SIZING REMINDER] for ENSURE you refer to your specific measurement requirements before making a selection. The 24-inch Hammrit T-Square Ruler is designed for architectural drawing and carpentry, featuring wear-resistant, rust-proof aluminum alloy construction. Laser-engraved lines on the blade edges are spaced every 1/32 inch, with 1.3 mm precision holes at each 1/16 inch position. The combination of durability and precise markings makes this model a popular choice for professionals requiring... *The T-shaped square ruler is made of aluminum alloy *3D ruler body, easy to use. aluminum 6 Precision Triangle Ruler T-200 Carpenters Square rule Hole Positioning Measuring Ruler Woodworking Marking scribe - 1420 Precision Ruler High-Precision For Woodworking Mark... – Grandado T Square Ruler [ALUMINUM ALLOY CONSTRUCTION] Crafted from aluminum alloy, this T-shaped square ruler is built to withstand everyday use in various DIY tasks. T Type High Precision Square Ruler Woodworking Alu... – Grandado *T-Shaped Square Ruler Shape Positioning Ruler, Architect Drafting Ruler Perfect for Carpentry DIY Small Projects Specifications: Product Name: T-Shaped Square Ruler Material:Aluminum Alloy Color:(as picture ) Size::170x85x5 mm(as picture ) Package Content: 1* Ruler *Backrest positioning design: provides high-precision right-angle measurement.