Ronstan Series 40 Orbit BB Double Block with Swivel and Shackle Marine better withstand the elements and

better withstand the elements and to minimize traditional connector-borne signal loss

and let range rings show you the distance from your boat to the target

This extra-duty antenna combines strength and performance for use where you really need the efficiency of a large antenna

Multi-position cleat arm

Collinear Phased 5/8-wave with two coaxial chokes to suppress cable radiation

Ronstan Series 40 Orbit BB Double Block with Swivel and Shackle Marine better withstand the elements andSeries 40 Orbit BB Double Block with Swivel & Shackle The Series 40 ball bearing Orbit Blocks provides the perfect balance of strength, performance, and reliability. They offer class leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber reinforced nylon cheeks replace stainless steel straps used in traditional utility blocks the perfect balance of performance and