Topaz 391C – 1/2″ Steel Compression Type Coupling – EMT to Rigid – (20 Pack)

For secure connections of EMT to rigid, Topaz’s compression type combination couplings are ideal for use indoors. Steel construction ensures continued mechanical protection and connectivity between one conduit to another; zinc plated for corrosion resistance with re-usable ferrule. Trade sizes of 1/2”-1/2”, 3/4”-3/4” and 1”-1” available; UL listed.