It’s always good to have a few spare O-rings on hand, just in case. Why not pick up the Tank Key Chain with O-Rings? You get a dozen assorted O-rings neatly packed inside this cute little replica SCUBA tank with screw off bottom. Since it’s on a keychain split ring, you can easily attach this item to your gear bag so you always have it on hand. A perfect save a dive item to have on hand.

Tank Key Chain with O-Rings Features:

• Split ring
• Mini replica SCUBA tank
• Screw off bottom
• 12 assorted O-rings