High-precision design: suitable for drills with a shank diameter of 3.175mm, providing higher precision than double-wire clamping, ensuring drilling stability, suitable for precision drilling needs Stable hole control: stable drilling process, suitable for precision drilling work, ensuring the accuracy of each hole Diverse application range: fixed shank drills are suitable for shank diameters from 0.1 to 3.175mm, suitable for drills of different sizes, and improve the flexibility of use Compact structure: the overall size is 100x80x180mm, the drill column diameter is 12mm, and the drilling stroke is 12mm. The compact design saves space and is convenient for desktop use High-quality materials and lightweight design: Made of sturdy aluminum alloy, brass spindle sleeve and stainless steel spindle, weighing about 650 grams, it has good durability and easy operation, Manufacturer: DRAUXI