Amazon.com : T Slot Shape Hole Punch Heavy Duty Tag Punches for Paper Crafts Handheld Earring Hole Punch Badge Hole Punch for ID Card Hard Plastic Card Stock Cardboard PVC Airplane Hanger
Earring card punch, plastic and "pewter" (zinc-based alloy), purple / black / grey, 3 x 2 x 1-3/4 inches for post and fishhook. Sold individually. - Fire Mountain Gems and Beads