CLM panel mount devices are constructed of super tough plastic housing which will not chip or crack under extreme temperatures and impact conditions. The unique mounting system permits the use of self-tapping stainless screws. No lock washers or nuts to try and hold during assembly.
Marinco Series 15, 150 Amp, #8-2 AWG, Mini-Panel Mount Threaded Post
Marinco CLS Series inline connectors have a non-conductive retain screw which passes through the metal contact and fastens at both ends to the retaining ring, providing maximum resistance to excessive torque loading.