Ruler Specifications: 300mm T square woodworking scriber with double-sided scales, clear and intuitive, providing high accuracy measurement and marking, convenient and practical. Metal Structure: The woodworking marking ruler is made of 304 stainless steel and aluminum alloy, with high hardness, wear resistance, and no deformation, suitable for various environments. High Performance: This marking ruler can simultaneously set the position of each scale, providing clearer scales, higher accuracy, and better line drawing, with a wide range of applications. Convenient Reading: The T ruler has a protective powder coating, low glare design, deep markings and scales, which enhance readability and improve work efficiency. Wide Application: This T shape ruler is compact and lightweight, suitable for carpenters, designers, decorators, engineers, builders, and other professionals, helping them draw precise lines.