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Ratchet Blocks

TECHNICAL FEATURES RATCHET BLOCK ARB45

- 5mm dia Delrin ball bearings and a 45mm dia aluminium sheave.

- The sheave automatically changes from free-turning to ratchet when the load increases.

The sailor decides when the automatic ratchet kicks in.

The switch-over point is set using an allen key to adjust a screw inside the sheave.

Fast, simple and precise

TECHNICAL FEATURES RATCHET BLOCK MRB60 

- 5mm dia Delrin ball bearings and 60mm dia aluminium sheave

- Manual switch for either ratchet function or free-turing

APPLICATIONS

- Dinghy main sheets

-Dinghy spinnaker shets

ARB 45. A Special insert is used to locate the shackle at 0 or90 deg. When removed the shckle spins freely.