The Business Card Punch
This personal punch cuts two notches instantly to make business cards work like Rolodex® cards! Compatible with all 2-1/4"x4" rotary files and trays. This is an invention that the "experts" said would never work! Several million punches later it's still going strong! This punch is sold in office product stores, including Office Depot, Staples and Office Max. Also, thousands of businesses buy them custom imprinted to give to their customers. Everyone gets business cards and everytime the customer punches one, he/she is reminded of the sponsor whose name is on the punch!