Aluminum Alloy Sliding T-Square Ruler combines the functions of a ruler and a protractor. Adjustable Aluminum Alloy Sliding T-Square Ruler can accurately measure lengths up to 18 inches (48 cm) and a wide range of angles, making Precision Line Drawing Ruler with Angle Adjustment ideally for various tasks such as woodworking, engineering, and architectural design. Whether you need to draw straight lines or measure angles, this tool has got you covered. Woodworking Scriber Marking Line Ruler Crafted from high - grade aluminum alloy, Adjustable Aluminum Alloy Sliding T-Square Ruler is not only but also highly . It resists abrasion and deformation, ensuring long - lasting performance. The sturdy construction makes Precision Line Drawing Ruler with Angle Adjustment suitable for frequent use in professional workshops or DIY projects. Woodworking Scriber Marking Line Ruler With its adjustable angle function, you can easily set the desired angle by simply unscrewing the nut. Adjustable Aluminum Alloy Sliding T-Square Ruler allows for quick and accurate angle marking, whether you're creating bevels, radial lines, or making angle measurements. It's a great tool for achieving precise results in your work Aluminum Alloy Sliding T-Square Ruler scales on the ruler and protractor are laser - engraved, providing clear and in focus markings that are easy to read. These markings are to wear and tear, ensuring that you can rely on them for accurate measurements over time, even in challenging working environments Precision Line Drawing Ruler with Angle Adjustment, comes with a pen and a box of refills, which is convenient for immediate marking. Adjustable Aluminum Alloy Sliding T-Square Ruler tool is suitable for a wide range of applications, including woodworking, angle measurement, drawing, machinery measurement, and decoration design. It's an essential tool for craftsmen, designers, and DIY enthusiasts Color:Red Material:Metal Package Contents: 1set * carpenter square Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.