Features: Precisions Measurement : Features an aluminum positioning block for stable and accurate measurements, ensuring precise marking every time for woodworking projects. Wear Resistant Construction : Made with stainless steel ruler and aluminum positioning block, offering wear resistant and corrosions resistant properties for long lasting use in various woodworking environments. Double Scale Design : Equipped with both scale on opposite sides, catering to different measurement needs without requiring additional tools. Clear & Long Lasting Markings : Specially treated scale remain clear and wear resistant, maintaining excellent readability even after prolonged use. Versatile Applications : Ideal for furniture making, wood processing, and precise line marking, enhancing efficiency for both professional and hobbyist woodworkers. Specifications: Component: Stainless Steel Color:Silver,Blue,Red Scale:15cm/5.9'',20cm/7.87'',30cm/11.81'' Package Includes: 1Piece Stainless Steel Ruler 1Piece Aluminum Alloy Positioning Block note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.