- Heavy gauge steel construction for long-term durability in a rugged environment- Black powdercoat finish for maximum corrosion resistance- The Overhead Guard Mount allows users to mount smaller devices and radios from the top of the overhead guard- Provides a low profile solution for mounting peripherals- Overhead Guard Mount with Clam Shell features the following hole patterns; AMPS, NEC, VESA 75mm, Gamber-Johnson 2"x4.09"