Welcome to the shop! Robust structure and non-slip grip, ergonomic and comfortable to hold for stable operation. The internal grip design uses leverage for effortless operation, and the 30-sheet punching is super easy. Punch depth adjuster designed with a scale for easy positioning. Leverage principle, high efficiency, and 50% energy saving; eyelet placement guides make it easier to use. Can be used with eyelets (not included) when punching, convenient for binding documents. Item Type: 1‑Hole Punch Material: Iron Number of Punched Pages: 30 A4 Pages Suitable Eyelet Diameter: Approx. 4.8mm / 0.19in Suitable Eyelet Length: Approx. 4.6mm / 0.18in Punch Hole Diameter: Approx. 5mm / 0.2in Adjustable Punch Depth: Approx. 4 ~ 13mm / 0.2 ~ 0.5in Size: Approx. 16.4 x 11.3cm / 6.5 x 4.4in Using eyelets (not included) is convenient for binding documents and more beautiful for hanging ropes. Punching: 1. Turn the positioning scale control knob on the punched side to find the correct position. 2. Place the material to be punched in the punching area and align the punch head with the punching position. 3. Hold the handle and press down firmly to finish punching. Eyeletting: 1. Choose a suitable metal eyelet and place it in the made hole. 2. Then place the position and direction of the metal eyelet correctly according to the tips on the front of the hole punch. 3. Hold the handle and press down firmly to complete the eyelet binding operation. 1 x Hole Punch Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!