Features: METAL HOLE PUNCH: Practical 720 4-hole punch with a durable all-metal construction in a sleek black finish to suit any home, school or office4 HOLES: Punches 4 holes 6mm in diameter with standard 4-hole spacing (80mm between the centre of one hole and the centre of the next), suitable for use in most ring binders and lever arch filesSHEET CAPACITY: Capable of punching through 22 sheets of 80gsm paper at a time and features a practical, adjustable paper guide with markings for A6, A5, A4, A3, B6, B5, B4 and 888 paper formatsEASY STORAGE: Lock-down switch keeps handle flat when hole punch is not in use for easy storage on a desk, shelf or in a drawerCONVENIENT USE: Fitted confetti tray with handy opening flap for easy emptying and a personalisation window for customisation and easy identification of ownership