RONSTAN SERIES 60 Single block, swivel shackle head (non-locking)
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Exceptionally high working loads
Low maintenance, long service life
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)