NINJA aluminum thread saver.  Protect your co2 or HPA tank threads from damage during transport or storage. 

Must have!

Used, shows faint cosmetic wear (what it's designed to do) but 100% functional.

Comes as shown, fresh spare correct 015 ur 90 o-ring included.

Shipping and handling calculated via your ZIP.  Ships USPS Ground Advantage within 1 business day.  Thanks for looking and please check out my store and feedback: selling on eBay since 2004!