For Accurate Measurements Every Time: the 3D multi angle measuring ruler is designed with dimensions that ensure precision for any drawing, while the woodworking ruler enables exact markings for cuts; The slide mechanism locks tightly and stays intact during use, facilitating straightforward surface measurements; Experience a world of precision where every measurement stands in complete accordance with your needs Innovative Slide Rule with Stop Motion: the woodworking ruler comes with a notch at the end that can be set as stop point and applied as an instant marker; The two wing screws provide remarkable sturdiness to the stop, preventing it from sliding during measurements further enhancing your efficiency at repetitive tasks; Convenient, reliable, and practical, this feature saves time and reduces errors The Companion for Every Worker: this measuring tool pack is a necessity for DIY enthusiasts, engineers, carpenters, or decoration workers; Not just limited to the wood industry, our woodworking tools are useful in measuring various materials like circular objects, 3D workpieces, thereby making it a choice for various professional and personal uses. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Red Material:Aluminum alloy Package Contents: 3x woodworking straightedge 1x woodworking Triangle ruler 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.