Combo Coupler fits all three types of adapter plugs:

1/4 in. Automotive

1/4 in. Industrial

1/4 in. ARO

 

Specifications:

Series:        1/4 in.

Type:          Types B, C, and D ( Automotive, Industrial, ARO )

Thread:       1/4 in. FNPT

Material:      Solid Brass

 

WARNING:  Use only on compressed air lines at a maximum operating pressure of 300 PSI.  For safety, do not exceed the pressure limitation of the hose and/or air-operated device you are using.  This product is not designed for use with fluids other than air, for non-industrial applications, or for life support systems.  Failure to follow these directions exactly may result in personal injury or property damage.