Description: 【Precision Drilling & Positioning】: Achieve accurate center and transverse holes for your round rods. Designed for model making and DIY, this Borehole Positioner ensures precision drilling and positioning each time 【Versatile & Adjustable Fit】: Round Bar Drilling Auxiliary Tool accommodates round rods from 1mm to 4mm. Easily adjust drilling positions with the movable module and positioning slider, adapting to various rod sizes without needing multiple tools 【Effortless Drill Bit Alignment】: Round Rod Center Drill Locator each clamping slot features dedicated drill bit positioning holes. The movable and flippable positioning module allows you to quickly and easily find the drilling position 【Secure & Stable Clamping】: Adjust the clamping module's tightness by rotating the tightening screw, ensuring your round rod is held firmly in place to prevent any deviation during drilling 【Built to Last】: Crafted from quality, sturdy materials, this round rod drilling locator is designed for long term reliability. An essential tool for both professional model making and everyday DIY precision drilling Specification: Material: Metal Size Chart: 6cm/2.36inch Package Includes: 1 Round rod drilling locator 1 Drill bit locator Note: Please allow slightly errors due to manual measurement and different monitors.