Product name Wire-O Binding Machine
Machine type Manual document binding
Binding method Double-loop metal wire
Operation Manual
Punching capacity Typically 10–20 sheets per punch
Binding capacity Typically 100–250 sheets, depending on wire size
Paper size A4, A5 and sometimes Letter
Punching holes Round or square, depending on model
Pitch 3:1 or 2:1
Wire size Depends on machine and pitch
Binding material Metal double-loop wire
Body material Metal construction, sometimes with plastic parts
Power supply Not required for manual models
Colour Usually grey, black or silver
Usage Office, commercial and educational