GBC MB230 Multibind Binding Machine Binder OfficeDescriptionSpecificationsShipping The multibind 230 is a sturdy multi functional binder with the flexibility to create comb or wire bound A4 A5 documents. Its high 30 x 80 gsm punch capacity makes it ideal for frequent use and it binds up to 125 sheets using 21 loop wire or 450 sheets using a 51mm comb. It is also equipped with useful features such as auto centring and a paper separator Document separator divides your pages into punch able quantities