4-Hole Adjustable Hole Puncher Heavy Duty 30 Sheets Paper Punch Machine for A4 Office Documents & Binders

9640 4‑Hole Punch Machine Heavy‑Duty Adjustable Hole Spacing Punch up to 30 Sheets A4 Paper for Office Use📐Product Parameters✅Model: 9640 Adjustable 4‑hole puncher✅Max punching capacity: 30 sheets of 80g A4 paper✅Product size: 332 × 210 ×140 mm✅Features: Adjustable hole spacing, replaceable punching blade, positioning guide ruler, anti-slip base pad✅Structure: Heavy-duty metal frame✅Usage Scenarios: Office, school, document filing, contract binding ✨Product Details🔧Adjustable hole spacing: Movable punching heads, you can freely set the hole position to match different 4-hole binders and folders.🔩Sturdy metal housing: Heavy-duty metal build, stable and reliable for frequent daily office work.🔁Replaceable punch blade: Simple to swap out worn punch heads, prolonging the service life of the machine.📏Built-in guide ruler: Helps align paper accurately, so all punched holes stay tidy and uniform.🛡️Anti-slip bottom pad: Stops the puncher from shifting while punching for steady operation.💼Ideal for A4 files, contracts, reports, student handouts and document arrangement. 📋Operation Steps1. 📏Adjust the punch heads to your desired hole spacing and lock it in place.2. 📄Stack your A4 paper neatly, feed it into the slot and line it up with the built-in guide ruler.3. ✊Press the handle down steadily in one smooth movement to finish punching.4. 🤚Lift the handle back up, take out your paper and check the punched holes.5. 🔁When punching multiple batches, never go over the maximum limit of 30 sheets (80g paper). ⚠️Important Notes❗Do not punch more than 30 sheets of 80g A4 paper in a single go. Overloading will damage the punch blades.❗This tool is only for regular paper. Avoid punching cardboard, plastic sheets or metal items.❗Keep your fingers clear of the blade zone while working to prevent accidental cuts.❗Put it on a flat desk and make use of the anti-slip pad for stability.❗Store the puncher in a dry spot; keep it away from water and humid surroundings.❗If a paper jam happens, pull the paper out gently. Do not pry or strike the punch blade.