HARKEN 40 mm Double Carbo Block - Swivel, Becket, 2639 Block Configuration_Cam Cleat The load-sensing ratchet block rolls

The load-sensing ratchet block rolls freely in both directions under low loads

raising the cleat off the spar to improve the cleating angle and control

They are simultaneously contemporary and very robust

Nylon-resin side plates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio

Harken warranty its winches against defects in materials and workmanship for three years from the date of purchase

HARKEN 40 mm Double Carbo Block - Swivel, Becket, 2639 Block Configuration_Cam Cleat The load-sensing ratchet block rollsHarken 40mm Carbo Air Double block with becket and grooved races for greater load capacity. Low friction Carbo AirBlocks are lightweight, strong, reliableand economical. Consistently 30% lighter and 60% stronger than equivalent Classic blocks. The sideplates are UV stabilized, high strength resin and designed for small diameter lines favored by racers. Good for jib and mainsheet systems on high performance dinghies, and for high load control lines on