1、Ruler Specifications: 300mm T square woodworking scriber with double sided scales, which is clear and intuitive, providing high accuracy measurement and marking, convenient and practical. 2、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. 3、High Performance: This marking ruler can simultaneously set the position of each scale, providing you with clearer scales, higher accuracy, and better line drawing, with a wide range of applications. 4、Convenient Reading: The T ruler has a protective powder coating on its appearance, low glare design, deep markings and scales, which can achieve maximum readability and greatly improve work efficiency. 5、Wide Application: This T shape ruler is compact and lightweight, suitable for carpenters, designers, decorators, engineers, builders, and other professionals, helping them draw the perfect lines they want.