A4 Paper Manual Wire Binding Machine TD-2500R (Round ) Iron Ring Binding Machine Desk Calendar Punch Machine 300 Sheets Binding ,Easy to Operate

1.Can play 25 A4/80g papers at a time, or 30 A4/70g papers 2.Can binding 300 sheets within A4 paper, with four-level margin adjustment. 3.Double handle design, full pumping-knife, punch pressure ring is simple and easy. 4.Can be used within 3mm thickness of the gray board, more than 3mm thick product can not go in, the general calendar e gray 2mm gray board,cover paper have 2.3mm is still relatively