These springs are made of stainless steel for many years of service. Two basic models (ring terminal connections and screw-on connection), each available in a medium duty model and in a heavy duty model, are available. Each spring stands about 3 inches (77mm) above the mount surface.
The medium duty models are great for 2 ft heavy fiberglass
antennas as well as 3ft flexible fiberglass antennas.
The ring terminal models (SS-34M & SS-34H) are designed so that both the ground and center conductor connections are made when the spring/stud is installed (versus making a ground connection to the mount with a separate screw). The space required below the mount surface is a minimal 1/2" (13mm) making this the perfect part to install when space is a premium. The washers and the connecting bolt are made of stainless steel on this product and the insulators are made of rugged nylon.
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