Binding Machine, 21-Hole Comb Punch Binder Machine for Letter Size / A4 / A5 Paper, Easy to Punch Handle, Adjustable Margin

Highlights

• 1、【Precise Punch Alignment】Equipped with a positioning knob and adjustable edge guide， our book binder ensures accurate alignment for Letter， A4， and A5 sizes.
• 2、【21-hole binding machine， reliable quality】Our comb binding machine is made for long-term use， providing consistent performance and professional-quality binding documents.
• 3、【Efficient Operation】: Crafted with a solid metal housing， non-slip feet， and a high-leverage arm for punching， the entire process requires minimal effort. Align your pages， press the punch lever， and effortlessly insert the comb for binding.
• 4、【3mm Fixed Paper Margin】 The built-in drawer-type waste compartment allows for easy disposal of paper scraps. Please ensure regular cleaning of paper scraps to prevent potential damage to the comb binding machine.
• 5、【21-hole binding set】Our binding sets are specially designed to fit letter-sized papers. They are perfect for use in school， office， or home， and are great gifts for teachers， students， and colleagues.