Sizes available : 3mm (8GA), 4mm (6GA), 5mm (4GA), 6mm (2GA), 8mm (0GA), 10mm (00GA), 12mm (1/2"), 14mm (9/16") 16mm (5/8"), 19mm (3/4"), 22mm (7/8"), 25mm (1'), 28mm (1.10"), 30mm (1.18")
Simply choose which tunnel type you want. check out photos to see options available.
IMPORTANT: The tunnels and saddles are made from 316l Surgical steel, however the charm will also have other metals. so not suitable for allergy suffers.