Features 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. 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. 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. 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. 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. Specification: Item Type: Round Rod Hole Puncher Material: Aluminum Alloy Clamping Range: Approx. 30-70mm / 1.2-2.8in Diameter Round Rod Punching Angle: 0-60° Slider Maximum Stroke: Approx. 60mm / 2.4in Chuck Size: Approx. 10mm / 0.4in (Pre Installed) Package List: 1 x Adjustable Angle Fixator 1 x Round Rod Puncher 2 x Hex Wrench 2 x Open Wrench Package List 1 x Adjustable Angle Fixator 1 x Round Rod Puncher 2 x Hex Wrench 2 x Open Wrench