This Harken Carbo Ratchamatic 75 mm single block with swivel and becket
The Carbo Ratchamatic is an automatic, load-sensing ratchet block for sailing, where the line needs to run freely under low load and automatically gain extra holding power as the load increases.
The block is well-suited for the efficient handling of sheets and trim lines, where quick release, control, and low weight are essential on board.
Key features
Automatic ratchet function at higher loads
Free-running in both directions at low loads
Adjustable load sensor
8-sided Hardkote-anodized and Teflon-impregnated sheave
15:1 holding power
