Our 2-in-1 ID card badge slot punch is all steel construction. Slot size is approx. 1/2" x 1/8"
beginning 3/16" from edge of card. Round hole punching area is 2mm diameter for those very small holes required at 2 corners in cards held with elastic neck cords with metal barbs. This tool is NOT designed for PVC cards. Please see our tool items A-102, A-112LG or 80200 for tools that will punch PVC cards well.