Lever arch files made with a brightly coloured polypropylene covering over a high quality boar metal thumb hole provides added durability spine label that can be easily removed if preferred replacement spine labels available and can be personalized for free unique patented mechanism that opens 180 for 50 wider opening and 20 faster filing 5 year guarantee patented 180 mechanism tested 12 000 times capacity 600 a4 sheets 80 gsm a4 file with 80mm spine