The Akiles half moon punch creates a thumb cut. The designed  is a half moon shape punch to your documents. The half-moon is for use in wire binding calendars. The thumb cutis use to allow pre-formed wire calendar hangers to swing freely with twin loop. The half moon punch is inserted  in the centered between the split twin loop wire binding.  The pre-formed calendar hanger is securely held into the calendar with the double wire binding spines. Trapping the hanger  between the split wire.  The Akiles half-moon punch cost is lees then half of other units in the market.  Akiles This Punch offer you amazing quality and in expensive solution on short calendar runs.