Sold individually, please purchase a quantity of 2 for a pair. Steampunk fans and gearheads alike will delight in this working gears ear expander. The 18mm stainless steel screw fit tunnel plug has gleaming interlocked gears that actually move when you twist the plug (hair twirlers, beware!) and a contrasting back rim. Faux mechanical double flare motor lover's ear stretcher pierced Body Jewelry.