1、Working Range: This hole puncher is suitable for clamping round rods with a diameter range of 30‑70mm, supporting a punching angle of 0‑60 degree, and the maximum stroke of the sliding rod is 60mm. 2、Aluminum Alloy: This round rod puncher is made of industrial aluminum alloy with CNC anodized finish, which has high strength, wear resistance and erosion resistance, and a long service life. 3、Accurate Drilling: This drill guide tool supports multiple holes drilling, can repeat drilling at a consistent angle without damaging the appearance or missing the angle. The steel sleeve is suitable for various bits. 4、High Efficiency: Abandoned carbide arc blade provides a smoother cutting experience, with each blade capable of rotating 4 times, greatly improving drilling and cutting efficiency. 5、Other Accessories: This adjustable angle fixator has clear markings to ensure accurate operation. Equipped with 2 hex wrenches and 2 open wrenches, suitable for various drilling tasks.