- MATERIAL: Surgical steel/brass. The actual plugs are made with surgical steel and the skull rim with brass. Surgical steel is the industry standard metal for plugs/tunnels.
- MEASUREMENTS: 9 sizes available. Gauge Sizes: 2 gauge(6mm)-1 Inch (25mm)
- WHAT'S INCLUDED: 1 pair of tunnels(2pc) are included with your purchase. Pick your desired size.
