This Harken Carbo Ratchamatic 57 mm triple block with Cam-Matic is an advanced sailing block for efficient handling of control lines under varying loads.
The block features an automatic, load-sensing ratchet function that provides free-running at low loads and automatically engages the ratchet function as the load increases.
The adjustable load sensor allows for fine-tuning the engagement as needed, ensuring precise and controlled line trimming on board.
Key features
Automatic Ratchamatic ratchet function
Free-running in both directions at low loads
Adjustable load sensor
57 mm sheave for lines up to Ø10 mm
Holding power 10:1
