This 10-Part Concord A4 Index is ideal for use in lever arch files and ring binders. With standard 4-hole punching, they fit almost any A4 ring binder or lever arch file. They feature a colour-coded index page with corresponding tabs so you can easily find your required information in an instant. Made of tough 180gsm board, the Mylar-reinforced tabs and holes ensure long-lasting quality with extra tear resistance.