Harken 57mm Carbo Ratchamatic With Swivel Shackle Head

Carbo Ratchamatic block where ratchet engages automatically as load increases. For use with mainsheet situations where a high quality ratchet block is required, also use with traveller controls, dinghy spinnaker sheets, furling lines, jib sheets, asymmetrical spinnaker sheets.

• Sheave runs free with light load.
• Ratchet engages automatically as load increases.
• Shifts crisply from ratchet to free run (light air) mode.
• Adjustable to engage at heavier or lighter load.
• The swivel pin can locked in front or side positions to prevent swivelling, or can be left to swivel freely.
• Durable stainless steel ratchet pawl.
• Eight-sided, Hardkote-anodised aluminium sheave.
• Delrin ball bearings for low friction.
• Holding Power with 180 degrees wrap (23Kg) 10:1