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The 60mm double block is well suited for vangs
Universal Bearing: A tuned two-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
An integral head spacer prevents Hard Lube-anodized aluminum side plates from deflecting and binding
The versatile universal head design has a three-way built-in locking feature and accepts Schaefer "universal" adapters for custom mounting
RONSTAN 45mm Core Stand-up Block - Swivel, RF44140 Sheave Size_57 mm The 60mm double block isCore Blocks is 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 sheave, alloy cheeks, and stainless fixings complete the durable package. For reliability and long service life, these blocks are the right choice for sheets, halyards, and control line applications for
