This pack of 50 binding combs provides a professional looking solution to presenting projects, sales pitches and various other multi-document collations. Measuring 30cm in length and suitable for A4 documents, these binding combs are an attractive and space saving way to keep materials together without the need for bulky binders or lever arch files. They can also be used with plastic covers for a wipe-clean finish on important documentation. These 51mm combs provide a capacity of 411-450 80gsm sheets of paper and are made from high quality black plastic. Use with any 21-ring comb binder.