Description: 【Precision Drilling for Model Kit】: The Round Bar Drilling Locator is designed for model kit enthusiasts, offering accurate center and lateral hole drilling capabilities. It ensures accuracy in every operations, making it suitable for various round bar sizes to meet diverse needs 【Adjustable for Versatile Use】: This Power Tool accommodates round bar ranging from 1mm to 4mm in diameter. With its adjustable sliding module, you can easily modify the drilling position without needing to switch locators, allowing quick adaptation to different bar sizes 【Easy and Accurate Positioning】: Each holding slot features a dedicated bit positioning hole. The movable and reversible module allows users to effortlessly find the optimal drilling , enhancing efficiency by simply adjusting the module for different bar thicknesses 【Secure Clamping with Adjustable Tension】: By rotating the tightening screw, users can adjust the tension of the clamping module to ensure a firm grip on the round bar. This prevents any deviation during drilling, providing high precision whether working with soft or hard materials 【Construction】: Made from quality metal materials, the Round Tube Drill Guide is builts to last through extensive use. It's an ideal tool for both professional model making and everyday DIY projects, helping you achieve accurate drilling tasks with ease Specification: Material: Metal Size Chart: 6cmx5.2cm/2.36inchx2.05inch Package Includes: 1 Doweling Jig 1 Mosquito Drill 4 Bits Note: Please allow slightly errors due to manual measurement and different monitors.