Here is a step by step manual for installing your DUAL or Single Offroad LED Bars 50″ light bars with their custom 50″ light bar roof mounts.
These mounts attached inside the door jams behind the rubber seal, concealing the mounting holes and hardware.
Mounts can be used for straight or curved LED light bars.
Link for Gripzert install: http://youtu.be/wKPA2CxOo_0
For sealing holes and also apply between the bracket and the vehicle and the rubber door seal and the bracket to avoid leaking, use silicon below