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[HK-692] HARKEN 102 mm Narrow SheaveNarrow high load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload carrying balls with a PTFE composite bushing for radial loads.

Bow shackles are best for multidirectional loads

The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers

Standard blocks have 17-4 PH stainless headposts

and 57 mm blocks feature composite sheaves that spin freely on Delrin® ball bearings with curved bearing races

LOUP soft attachments replace heavy stainless steel shackles on racing and cruising boats

Line not included

Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions

dirt and other deposits to protect

ready for the next hoist

purchase track and fasteners separately

Blocks are designed for dinghies and for light-duty control lines on larger boats

A center cage keeps Torlon® roller bearings separated and parallel to reduce friction