This Harken Zircon 57 mm triple block is a sailboat block for onboard use where multiple line parts must be guided together in a tackle system.
The block is suitable for trimming, deck work, and line management on sailboats, where a triple configuration provides a flexible tackle setup.
A professional choice for sailors who want Harken quality in a compact 57 mm block format.
Key features57 mm block size
Triple configuration
For tackles and onboard line management
Suitable for trimming on sailboats
Part of the Harken Zircon series