This Harken Zircon 40 mm double block with becket
The block is developed for sailing where low friction and easy trimming are essential. The ceramic ball bearings provide extremely free-running performance, allowing the line to move easily even in very light air conditions.
With a double sheave and becket, the block is suitable for efficient tackle systems on board, where compact size and high load capacity are important.
Key features
40 mm Zircon double block
With becket for tackle systems
Ceramic ball bearings for very low friction
Suitable for sailing in very light air
Maximum line Ø8 mm