This mount is for end mount style LED bars with 8mm or 5/16" fastener diameter.
Requires 2 per light.
8mm / 5/16" slot on L bracket can position you end mount light bar between 1.7" and 2.8" from the leading edge of the mounting bar to the center of the mounting screw.
These pivoting clamps will allow you to mount up to a 50" light bar to your cage even if your cage does not run parallel to the light bar.
A simple solution for mounting on bumpers, and wakeboard towers as well.