Synchro blocks use a larger sheave that features the Free Spin bearing
Use with furling unit 7351
The ball-and-socket design lets blocks articulate up to 45 degrees and swivel freely
The Harken 57 mm Flip-Flop Block (Part 3122) is a low-profile
Stage 2: Under heavy loads
HARKEN Floating Jib Lead Ring, 3282 Gender_Women Synchro blocks use a largerHarken Lead Rings are simple, weight saving devices used to route lines for jib in haulers, twings, barber haulers, lazy jacks, cascading backstays, and other applications requiring minimal fine tune adjustments. Rings are Hard Lube anodized 6061 T6 aluminum for a smooth, slippery surface, and with no moving parts, wear is minimal. Note: Special Order Only