Hard Plastic Spanner Wrench Threads_NPT x NPT The knobs are constructed from

The knobs are constructed from brass with chrome plating and will not mar the threads

The female threaded side of this adapter will only connect to a 2 inch male National Pipe Tapered (NPT)

Type "DP" brass 3 inch male camlock (Cam & Groove) dust plug

Type "DC" brass 3 inch female camlock (Cam & Groove) dust cap

Global type "A" aluminum 1 1/2 inch male camlock (Cam & Groove) coupler to 1 1/2 inch male camlock (Cam & Groove)

Hard Plastic Spanner Wrench Threads_NPT x NPT The knobs are constructed fromThis heavy duty plastic fire spanner and gas wrench is durable, light weight, and used to tighten and loosen couplings. This tool can also be used to open standard 70mm foam concentrate container caps, as well as open and close O2 cylinders. This wrench will fit 1" (25mm) rocker lug couplings 1 1 2" (38mm) rocker lug couplings 1 3 4" (44mm) rocker lug couplings 2" (51mm) rocker lug couplings 2 1 2" (65mm) rocker lug couplings 3" (76mm) rocker lug