10 Curved STEEL Piercing Rings 16 gauge 16G 5/16 INCH "
Material: 316L surgical steel
Size: 5/16 INCH
Ball size: 3mm
Quantity: 10 pieces
Color: Silver steel
These are autoclave friendly and externally threaded on both balls.
Shipping is free within USA, $3.99 to Canada and $5.99 to the Rest of the World.