This Harken Zircon 29 mm double block
is developed for sailboats where low friction and precise trimming are important. The double block is suitable for lines that need to be routed efficiently in deck hardware, rigging, or control systems.
The Zircon series from Harken is known for its smooth-running construction and high performance in demanding maritime environments.
Key features
29 mm double block for sailing
Smooth-running block for trim and control systems
Suitable for use on dinghies and smaller keelboats
Designed for efficient line routing
Professional boat equipment from Harken
