1. strength drill chuck: The clamping range of this Stand Drilling Guide Pipe Drill Holder is 5mm to 13mm, providing a secure grip on various drill sizes. 2. 90 degree vertical positioning: With the adjustable angle handle, you can easily position the drill at 90 degrees vertically, improving drilling accuracy and ease of use. 3. Stable aluminum alloy base: The base is made of 10mm thickened aluminum alloy, delivering stability and durability during drilling operations. 4. Secure mounting operation: Four screws are included to fix the mounting holes, ensuring stable and precise drilling. 5. Convenient dual handle design: The drill holder has 10cm handles on both sides, enabling easy operation by switching hands and providing a comfortable grip. 6. Wide application: The Stand Drilling Guide Pipe Drill Holder is suitable for drills with a chuck range of 1013mm, making it versatile for drilling in wood, marble, and round pipes. Use scenarios Woodworking projects such as drilling evenly spaced holes in shelves, panels, or cabinet backs with consistent depth and alignment. Tile or marble work requiring perpendicular holes, supported by stable guidance to prevent drift. Plumbing or metalwork tasks involving round pipes or tubing frames, enabling precise, repeatable drilling with a secure setup.