Durable aluminum construction: Anodized aluminum alloy provides wear resistance and rust protection, delivering long lasting performance for woodworking tasks. Precise scale for accuracy: Clear, wear resistant scale is easy to read and helps ensure precise cuts and engravings. size and compatibility: Measures 240 x 200 mm (4 x 7.9 inches); designed to fit aluminum router table engraving machines for reliable mounting. Easy to install and use: Straightforward DIY production and installation simplifies setup and lets you focus on creativity. Use scenario 1: Inlay work and detail routing on panels, using the accurate scale and stable plate to position and guide precise inlays. Use scenario 2: Edge profiling and groove cutting on a router table, providing a solid base for consistent, repeatable results. Use scenario 3: Small signmaking or decorative engraving for DIY projects, ideal for enthusiasts needing reliable alignment and performance.