Ronstan Series 75 Core Block - Single [RF74100] Brand_SI-TEX We start with a tough

We start with a tough 60 series aluminum with the same ability of a traditional rod rigger to fish either starboard or port

Constructed of corrosion-resistant 304 stainless steel

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Ronstan Series 75 Core Block - Single [RF74100] Brand_SI-TEX We start with a toughSeries 75 Core Block Single Core Blocks are a true all round solution. A tuned 2 stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and