3-in-1 Desktop Punch does Slot Punch, Hole Punch or Round Corner Cutter. Slot Punch: approx. 9/16 x 1/8 inch slotted hole for ID card attachments & will punch those thicker cards. Hole Punch: 1/4 inch diameter hole punches up to 18 sheets of 20#lb bond paper. Round Corner Cutter: to remove sharp corners from plastic and paper cards at 3.5mm (approx 1/8 inch radius). Has Center Guide which adjusts to 1/8 inch increments, alloy punch heads for durability and clippings receptacle. 5w X 6d X 4h inch in black and ivory