YIXUAN Features:High-strength drill chuck, the clamping range is 1.5mm-13mm.90 vertical positioning, no need to worry about drilling, easy drilling.10mm thickening realizes the aluminum alloy base, which is stable and durable.Four screws are used to fix the mounting holes for safe and stable operation.There are 10cm handles on both sides, which can be operated by changing handsSimple operation, no need to fix the electric drill, it can be used directly by docking. Suitable for electric drills with a chuck range of 10-13mm.Wide range of applications, suitable for drilling wood, marble, round pipes, etc.Specification:Product name: Stand Drilling GuideMaterial: Steel/AluminumColor: As shownAngle: 90Drill bit clamping range: 1.5mm-13mmSize: (Approx. ) 140 * 290 mmSuitable for: electric drills with a chuck range of 10-13mm.Quantity: 1pcPackage Included:1 Stand Drilling GuideNote:1.Transition: 1cm=10mm=0.39inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.