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Home > Selden Deck Hardware > 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.
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