Power Tank Super Coupler 1/4 Male NPT
These are the trickest couplers ever made. They feature light weight aluminum bodies with a crush-proof steel nose sleeve. The black sleeve is aluminum and acts as an on/off valve which shuts off pressure while connecting or disconnecting tools or hoses. This means that connections and disconnections are effortless and safe. Even with 300 PSI in the hose, tool connection is easy.
This super coupler is a great tire reseating tool. By pushing it onto a stem and then moving the valve sleeve forward, you can give an unseated tire a burst of air and shut it off after it has seated.
Not only that, you can borrow an air tool or hose on the trail, race course, or job site and the Super Coupler will most likely accept it since it is compatible with four different types of coupler plugs.
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Super Couplers have a built-in on/off valve, auto locking, and safety pressure release.
See how stout the super coupler on the right is constructed with its six coupler bearings compared to the cheap models on the left.