Vehicle specific fender bracket, no holes to drill.
Drivers side installation only.
Uses the existing fender bolt, the bracket extends between the hood and fender gap.
3/4" hole accepts the standard NMO connector
You can also use the bracket to attach an antenna that uses a PL-259 connector. Choose a Comet SO-239 type cable assembly, it includes a large washer and jam nuts to keep the 5/8" SO-239 from falling through the 3/4" hole in the bracket.

Fits these vehicles:
Chevrolet
Silverado 1500 2014-2019
Silverado 2500, 3500 2015-2019
Silverado LD 2019

GMC
Sierra 1500 2014-2019
Sierra 2500, 3500 2015-2019