Technical Specifications Operation Type: Manual handle and lever Punching Capacity: Up to 8 to 12 sheets of 80g paper at a time Maximum Binding Capacity: Up to 300 to 450 sheets using plastic combs Hole Count / Pitch: 21 holes with a 14.3mm hole distance Functions: Front 21-hole comb punching and a rear-side mechanism for comb closing or alternative 4-hole punching Key Features Ergonomic Handle: Built with a specialized lever structure to reduce manual effort required during punching. Adjustable Margins: Includes edge and side margin controls for neat, aligned hole placement. Dual Purpose Build: Compact frame suited for small offices, schools, and home-based document organization.