3943-1510 - Slot Punch Manual Table Top This tabletop slot punch with adjustable guides allows you to create a high volume of professional-grade, slotted badges or ID cards. The slot punch, mounted on sturdy feet with an easy to grip handle, features an adjustable centering guide for greater accuracy. Slots made using this slot punch with adjustable guides are 9/16" x 1/8" (14 x 3 mm).