This Harken 57 mm Carbo fiddle block with becket is a smooth-running and strong block for efficient sail trimming on dinghies and sailboats.
The Carbo series is engineered for high performance with low weight and reliable function, even as the wind picks up. The block is suitable for trim lines, sheets, and control systems where low friction and strength are essential.
The fiber-reinforced composite construction provides a robust solution for maritime use, while the 57 mm sheave handles lines up to 10 mm.
Key features
57 mm sheave for lines up to 10 mm
Fiddle block with becket
SWL 359 kg and breaking strength 1080 kg
Lightweight construction at 113 g
Suitable for mainsails, jibs, spinnaker sheets, and control lines
