Humanized Design for Precision: This binding machine is suitable for various paper sizes (Letter, A4, A5) with an adjustable edge guide for precise alignment. Customize paper margins (3mm, 4mm, 5mm) to achieve professional-looking documents.
Value-Packed Set: DUPDMKIN binding machine spiral coil binder includes 100 PVC comb spines（for 50-60 sheets binding capacity）, providing both savings and convenience. The robust construction ensures efficient punching and binding.
Strict Quality Control：DUPDMKIN binding machine Max binding capacity is 450 sheets of paper(with 2" comb binding spines, not included in package)
Easy to use: This spiral binding machine takes only two steps to manually punch and bind documents on the same machine. The low force handle simplifies punching and the machine can hold up to 10-12 sheets of 80g paper at a time.
Tips: DUPDMKIN comb binder machine has an oiled cutting blade to protect the punch die from rusting.Please use test cardboard first to clean up the blades to avoid staining on important documents when punching.
