- Designed for production grade usage, the Electric Light / Medium Duty - Slot puncher unit slots any ID card up to 32 mil. with a simple press of the footswitch (or the switch on top of the unit).- An adjustable side guide centers the slot on your card.- 0.032" (32 mil) maximum card thickness- Distance from edge of card to top of slot is 3/16".- Size: 8.5" W x 4.5" H x 10" D- Part numbers: 3943-1601- 110v-Slot size 1/8" x 9/16" (3 x 14mm)