The WANTYNU Oxygen Wrench

See why the WANTYNU Oxygen Wrenches are more than just a simple oxygen tank key.

The TK1 – More traditional end socket wrench
Size is 3 and 7/8 inches long: Large enough to securely stick under a belt and carry your keys. Read more….

The TK2- With a center positioned “T” handle providing slightly different body mechanics to accomplish the same job. The TK2 is just 3 and 3/4 inches long: small enough not to “bulk out” your key ring but still provide more than enough torque to turn the toughest of valves. Find out more….

The TK3 – Complete with handy bottle opener, window punch and improved key chain hole to fit on just about any key ring. Making it the ultimate oxygen wrench for a wide variety of operating environments. See more details…