Harken recommends equipping every system with Carbo lead blocks for safe furling from the cockpit. This 57mm block is used on the bow pulpit as an inboard lead and features a ball and socket base to align blocks for smooth leads aft. Fits 25mm (1') stanchions.
Specifications for 57mm Carbo Block - Stanchion-mount
|Sheave Ø (mm)||57|