![Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151] Brand_Marinco A channel system inside the](https://cdn.shopify.com/s/files/1/0721/9652/2136/files/55176XL.jpg?v=1759341398)
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A channel system inside the discs allows un-restricted positioning of the antenna mounting bolts
You can mount the antenna with any standard stainless antenna mount available from your local marine equipment supplier
Supplied with
Base diameter - 2-3/4"
Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151] Brand_Marinco A channel system inside theSeries 30 Ball Bearing Orbit Block Cheek 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: