JC Strap with Harken 28mm Carbo block
JC Strap with Harken 28mm Carbo block. The JC (Jans Christiansen) strap holds the boom out in light airs allowing to sail by the lee more easily. The Harken carbo block attaches to the bow eye and allows smoother rotation of the 5mm black shock cord. Comes complete with white plastic clip. Adjust knot in loose end of line to increase tension.