Harken 57mm RatchamaticHTE Block Swivel, 1.5x Grip Sailing including durable Cordura on the

including durable Cordura on the belly and neck panels

GNX Wind gives you the wind data necessary to make confident decisions

Temperature range - -15°C to 55°C

NMEA 0183 Connectivity

- UL1123 - Marine Buoyant Devices 160

Harken 57mm RatchamaticHTE Block Swivel, 1.5x Grip Sailing including durable Cordura on theThe Carbo Ratchamatic is a load sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light air modes is seamless. The spring on the HTE (high threshold engage) version of the 57 mm Carbo Ratchamatic blocks was made stiffer to delay the point where the ratchet engages, allowing the block to run free more of the time. The ratchet function engages