Description: Aluminum Alloy Material: Router Milling Groove Bracket uses a lightweight and strong aluminum alloy to improve durability and stabilityMetric and Inch Scale: Router Circle Cutting Jig has metric and inch scale to meet different measurement needsAdjustable Design: Cabinet Hardware Jig can be adjusted to adapt to circular processing of different sizes, equipped with a straight backing to ensure the linearity of the operationDetachable Structure: Carpentry Tool adopts a detachable design, which is convenient for carrying, storage, and maintenance. It is suitable for various woodworkings operations such as milling circular grooves, cutting circular blocks, and carving circular centersEasy Using: After fixing the middle screws and nails, push the trimmer to easily cut out a circle, improving work efficiency Specification: Material: Aluminum Alloy Size Chart: 9cmx44.3cm/3.54inchx17.44inch Package Includes: 1 Router Milling Groove Bracket Note: Please allow slightly errors 1-2cm differences due to manual measurement.