Turnout Switch Module Add-on unit (this pack contains a single add-on unit).This add-on unit is specifically designed for extending the Peco PL-50 switch module console. This add-on unit will seamlessly slot straight onto your original module by removing its end cap, clipping this module in place and then replacing the end cap. You will be left with an extended module that appears neat, tidy and with no evidence that it has been extended thanks to the add-on units mirrored design.As with the original module, this add-on unit requires no wiring or soldering and takes just seconds to fit.Recommended to be used with:PL-50 Turnout Switch ModulePL-26 Passing Contact SwitchesPL-34 Turnout Motor Wiring HarnessesRef.: PL-51 - Also listed as PL51