Innovative Rafter Square Tool: Our rafter square tool is designed with innovation in mind, allowing you to conveniently and precisely measure angles and layouts for your engineering and carpentry projects. Ergonomic and versatile, it's a game-changer for carpenters, metal workers, and floor workers alike. High Quality Material: Crafted from durable high precision aluminum alloy construction, ensuring longevity and reliability. Its durable design guarantees long-lasting performance, making it an essential addition to your toolbox. Multifunctional Measuring Tool: Our triangle ruler rafter square protractor is a versatile tool that combines the functionality of a rafter square and a protractor. Whether you need to measure angles, mark layouts, or determine plumb and level readings, this tool has got you covered. Rafter Square Tool: Use our exclusive jig block and thumb screw to turn the speed square into a jig! Set the jig to any mark and lock in place. Save time with reliable repetitive markings for increased efficiency. High Visibility Markings: Our layout measuring tool is specifically designed to meet the needs of engineers and carpenters. Precision-etched markings with high contrast and sharp resolution enhancing speed and accuracy on the job. Enjoy the added benefit of a fully laid-out fence for enhanced usability. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:aluminum Package Contents: 4 * Rafter 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.