This Harken Carbo 57 mm single block with becket is a lightweight and strong sailing block for efficient trimming on board.
The Carbo block is designed to run easily under load and is suitable for mainsails, jibs, spinnaker sheets, and control lines, among others.
The fiber-reinforced composite construction provides low weight, high strength, and reliable function in active sail systems.
Key features
57 mm sheave for efficient sail trim
Max line Ø10 mm
SWL 359 kg and breaking strength 1079 kg
Lightweight fiber-reinforced composite construction
Suitable for mainsails, jibs, spinnakers, and control lines
