Holt Allen 39mm Compact Autoratchet block HA4620

Product Details

With a 39mm sheave and an overall length of just 75mm the potential uses for the Compact Autoratchet block are unlimited.

Dubbed as the automatic gearbox for racing boats the Holt Autoratchet blocks have re-written the laws governing ratchet block technology. The ingenious load-sensitive mechanism triggers the ratchet only when the sheet load increases. The transition from ball race sheave to the tough holding power of the ratchet is incredibly smooth, proving the ultimate in hands free operation.

From mainsheet on an optimist to small asymetric spinnakers this block provides the ultimate control with its automatic ratchet mechanism. Six out of ten of the top 49ers at the world championships chose to use the Compact Autoratchet.

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