Key benefits - User friendly design: adjustable scales simplify your workflow by minimizing the need for complex calculations, speed up the cutting process, and help maintain consistent blade alignment for reliable results. Wide compatibility and versatility - Fits 3/8 x 3/4 inch T-slots and adjustable from 1.5 to 6.4 inches, making it a flexible table alignment accessory. - Suitable for table saws, router tables, and bandsaws to cover a broad range of woodworking needs. Precision and measurement - 0 to 10 mm quadrant indicator with 0.01 mm accuracy for precise, repeatable results on every cut. Robust construction - Made from high-quality aluminum alloy and brass, CNC machined and anodized. - Waterproof and sealed for durability in woodworking environments. Use scenarios - Set up a new table saw to align the blade and fence for accurate rip and crosscuts. - Quickly re-check alignment after changing blades or adjusting setups to maintain consistency. - Use on router tables or bandsaws to verify table-to-blade alignment and ensure precise, repeatable results.