Features: Accurate Measurements The Hole Positioning Measuring Ruler ensures accurate calibration for woodworking projects. Wear resistant material, rustproof, and convenient operation with each hole representing one millimeter. For Woodworking Enthusiasts Perfect for DIYers, craftsmen who value precise measurements in their projects. Various Usage Scenario Whether marking wood, metal, other materials, this ruler's hole positioning make a useful tool for woodworking tasks. Improve Your Craftsmanships Enhances your woodworking skill with Mini Woodworking Tool, to simplifying your marking process and enhances the quality of work. Specifications: Material: Aluminum Size: About. 6.8x4cm/2.68x1.57in Color: Blue/Redness Package Includes: 1x T Type Scribing Marking Gauges note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the items actual color.