This Harken Carbo 57 mm single fiddle block is a smooth-running and strong block for trimming sails and control lines on dinghies and sailboats.
The block is constructed from hard fiber-reinforced composite and is designed for low weight, high strength, and reliable performance under load.
With a 57 mm sheave, a maximum line size of 10 mm, and a working load of 359 kg, it is suitable for mainsails, jibs, spinnaker sheets, and control systems.
Key features
57 mm sheave for efficient line handling
Fits lines up to 10 mm
SWL of 359 kg
Breaking strength of 1079 kg
Fiber-reinforced composite construction
