Features: Achieve precise marking with our ruler featuring a positioning block, to enhances measurement accuracy for woodworking projects. Crafted from high quality aluminum, this rustproof tool includes a convenient positioning block for quick and easy adjustments. For woodworking enthusiasts, professional carpenter seek to improve their efficiency and precisions in various projects. Perfect for use in furniture making, wood processing, and crafting scenario where accurate line marking is important for success. Elevates your craftsmanships with this essential measuring tool, ensuring execution in all your detailed woodworking tasks. Specifications: Material: Aluminum Alloy Pattern: 15cm(5.91in)/20cm(7.87in)/30cm(11.81in)/40cm(15.75in) Package Includes: 1pc Scribing Ruler 1pc Slide Stop note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.