FeaturesAssembles like a regular EMT/rigid/IMC set screw couplingTo install, simply slide coupling end stop onto fixed end of EMT/rigid/IMC and tighten screwPlace movable EMT/rigid/IMC completely into coupling and mark engagement, remove EMT/rigid/IMC and mark half the distance of engagement, reinstall EMT/rigid/IMC to half distanceLow cost and easy to usePatented design