Vehicle specific fender bracket, no holes to drill.
Drivers side installation only.
Uses the existing fender bolt and fits between the hood and fender gap.
3/4" hole accepts the standard NMO connector, or choose a Comet SO-239 type cable assembly which includes a large washer and jam nuts to keep the 5/8" SO-239 from falling through the 3/4" hole.

Fits these vehicles:
Chevrolet
Avalanche 2007-2013
Silverado 1500, 2500, 3500 2007-2013
Suburban 2007-2014
Tahoe 2007-2014

GMC
Sierra 1500 2007-2013
Sierra 2500, 3500 2007-2014
Yukon and Denali 2007-2014