Description: Product name:Adjustable Screw Hole Punch Color:as picture show Material:wood+brass Size::13.5cm/5.31in, Equipped with 6 pcs punches, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm (replaceable punches) Package include: 1pc Adjustable Screw Hole Punch Handle+ 6 pcs replaceable punches Instructions 1. Remove the screw on the top of the connecting rod, install the required punch, and then tighten the screw sleeve to fix the punch; 2. Fix the leather material, the punch is 90 degrees perpendicular to the leather press the handle at the desired position to punch out the hole (if the leather material is relatively thick, it needs to be pressed several times). Working principle Using the pressure of the handle, the threaded at the connecting rod rotates counterclockwise, driving the punch to rotate to cut a round hole. Advantage: 1.Compared with ordinary punches, the noise is small and will not affect neighbors; 2.Narrow parts that are inconvenient to hit with a hammer can do the