1. Strength Drill ChuckThe clamping range of this stand drill guide tube drill holder is 5 mm13 mm, providing a secure grip on various drill sizes. 2. 90° Vertical PositioningWith the adjustable angle handle, you can easily position the drill vertically at 90°, eliminating concerns about drilling accuracy and ensuring easy operation. 3. Stable Aluminum Alloy BaseThe base of the drill holder is made of 10 mm thick aluminum alloy, offering stability and durability during drilling. 4. Secure Mounting OperationFor stability, four screws are included to fix the mounting holes, enabling safe and precise drilling. 5. Practical DualHandle DesignThis drill holder features 10 cm handles on both sides, allowing easy operation by switching hands and providing a comfortable grip. 6. Wide ApplicationThe drill guide tube holder is suitable for drills with a chuck range of 10–13 mm, making it versatile for various drilling applications such as wood, marble, and round pipes.