Core Blocks™ are a true all around 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 & aluminium sheave options, 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 control line applications for cruising and racing.