Ronstan Series 100 Core Block, Single, Becket, Universal head

A balanced design approach incorporating functionality, performance and style makes the Ronstan Series 100 Core Blocks the right choice for performance cruising or racing applications. A full contact bearing 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. Glass fibre reinforced nylon sheave, alloy cheeks and stainless fixings complete the durable package.