An essential office tool for smoothing and pressing flat materials such as bills, documents, books, stamps, banknotes, and finalizations. - Efficient performance: thickened screw and enlarged nut increase pressure for thorough smoothing. Suitable for A4 and A3 sheets with a maximum pressure up to 1500 kg. - Three sided guiding plates: three sided guiding plates prevent paper from slipping, delivering consistent smoothing results. - Stable structure: non slip foot pads protect surfaces and increase friction for stability. Two balance bars and an 8 mm thick sole distribute higher pressures more evenly. - Construction and features: designed to deliver high pressure with a thickened screw, enlarged nut, and an 8 mm thick sole. - Compatibility and use: suitable for A4 and A3 formats to support typical office and binding tasks. Use scenarios - Office workflow: smooth and finalize documents, invoices, reports, and forms for filing or archiving. - Book binding and crafts: finish binding projects by smoothing covers and pages for a neat, professional result. - Flat material processing: prepare stamps, banknotes, and similar items for storage, cataloging, or display.