HARKEN Block Sock for 100 mm, 3036 Complementary Hardware_Fairleads In fact the Orbit Blocks™

In fact the Orbit Blocks™ have the highest working loads in their class and feature an improved two-stage bearing system that efficiently handles static and dynamic forces throughout the load range

and configuration

the more aggressive sheave facets can increase line wear

Perfect for spinnaker sheet blocks on boats to 35 feet

Cheek material/finish constructed from long-glass reinforced engineered nylon

HARKEN Block Sock for 100 mm, 3036 Complementary Hardware_Fairleads In fact the Orbit Blocks™<p>Runners are used on running backstays of offshore boats to adjust mast bends for different wind conditions. Integrated side plate bails and recessed cotter key help produce a smooth design that won&rsquo; t snag lifelines.< p> <p>&nbsp;< p> <p><span style="color: #ff0000;"><strong>Note: Special Order Only< strong>< span>< p>