![Ronstan Series 30 Ball Bearing Orbit Block - Stand Up Swivel [RF35140] Marine Hardware | Deck Fills SRA-50 antenna](https://cdn.shopify.com/s/files/1/0588/7918/0915/files/55175XL.jpg?v=1723138421)
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SRA-50 antenna
These mounting position options and your choice of mounting hardware permit mounting on everything from windshield or supporting frame structures
All aluminum housing
Swivels 360 degrees
Ronstan Series 30 Ball Bearing Orbit Block - Stand Up Swivel [RF35140] Marine Hardware | Deck Fills SRA-50 antennaSeries 30 Ball Bearing Orbit Block Stand Up Swivel Ball Bearing Orbit Blocks boast the highest strength to weight ratio available. This is achieved through all composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber reinforced composites in the block head, cleat arms and beckets. Features: