Feature:1. Versatile Modular Design: The modular ruler offers unparalleled versatility for your woodworking projects. Its modular design allows multiple configurations to meet various measuring needs, including side groove positioning and circular performances, making it an necessary tool for professionals and hobbyists alike.2. Accuracy Positioning and Measurement: The side groove positioning head ensures accurate positioning and measurements, enhancing work accuracy. Whether marking for fine woodworking or laying out intricate designs, this feature ensures accurate measurements, reducing mistakes and improving overall project quality.3. Multi Functional Use: In addition to basic measuring functions, this ruler doubles as a drawing compass. The drawing circular function is ideal for creating accurate circles and arcs, simplifying tasks that require guiding and marking circular patterns. This multi functional capability streamlines your workflow, saving time and energy.4. Enhanced Usability and Efficiency: Easy to read markings and user friendly design make this tool easy to use. Its ergonomic design promotes efficient and comfortable performance, allowing you to use it for extended periods without fatigue. Ideal for intricate and detailed work, it helps you achieve accurate results with ease.5. Robust Construction: Constructed from premium aluminum alloy materials, the modular ruler withstands frequent use. Its sturdy structure ensures long lasting durability and stable performance, making it a reliable addition to your tool kit.Specification:Item Type: Woodworking Modular Ruler Material: Aluminum AlloyPencil Material: Wood.Package List:2 x Main Body of Positioning Ruler2 x Drawing Circle Positioning Pillar2 x 135mm Stainless Steel Pillar2 x 178mm Stainless Steel Pillar6 x 313mm Stainless Steel Pillar2 x Nut Positioning Head2 x Internal Frame Positioning Head2 x Diagonal Line Positioning Head2 x Side Groove Positioning Head1 x Hex Wrench2 x Pencil1 x Storage Box1 x Instruction Manual