Is there a cover plate for the rear opening of the IWM-GY mount?
Use the block-off plate to close up any opening beside holes for wiring.
Part number 9204106COMP Block off plate. This part is used with the PA402 Pole Adapter mount but may be used for the rear opening of the IWM-GY mount. There are two conduit knock-outs that are 1/2" -3/4".
* Part numbers are subject to change without notice.