Harken
Harken 40 mm Flip-Flop Block
The Harken Flip-Flop Block is an ingenious pivoting solution designed to maintain perfect line alignment regardless of lead angle. The block pivots laterally in either direction, making it...
Swivel blocks that orient themselves with the working direction of the line. This freedom of movement improves alignment, reduces side loads, and facilitates maneuvers whose direction changes while sailing.