If you make your own ID cards then you must have a slot punch. Slot punches are used to make the hole or slot in ID cards so they can be attached to the hardware that attaches them to your clothing, belts, etc. You will need to have this device to make your cards look professional. It will also prevent the card from splitting because trying to use any other type method for making a slot would crack and split the card. These devices can make slots of different sizes to accommodate any size badge. Of course, the type of slot punch machine that you have will determine what options…