This Harken Zircon 29 mm single block is designed for efficient line handling and trimming on sailboats where low friction and precise control are essential.
The Zircon series from Harken is known for its smooth-running construction with ceramic ball bearings, which provides high efficiency under load and makes the block suitable for modern rigging and deck systems.
The compact 29 mm size makes the block relevant for smaller lines, control systems, and trimming functions where reliable performance and professional equipment are crucial.
Key features
29 mm single block for sailing and trimming
Low friction for efficient line handling
Ceramic ball bearings in the Zircon series
Compact block for control systems
Professional Harken deck equipment