The multibind 230 is a sturdy multi functional binder with the flexibility to create comb or wire bound a4a5 documents its high 30 x 80gsm 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 features document separator divides your pages into punch able quantities perfect pages the auto edge feature ensures there are no ugly