This Esselte lever arch file contains a patented No.1 filing mechanism with outstanding locking force to keep both A4 and foolscap documents secure. The file has a 75mm spine and can hold up to 500 sheets of 80gsm paper. The file also features durable polypropylene covers, a metal thumb hole for easy retrieval from a shelf and metal edges for long lasting use. This pack contains 10 blue foolscap files.