Use Harken cam swivel bases when leads must rotate to
face the trimmer.
Ball bearing swivel bases feature dual rows of
Delrin® ball bearings that swivel freely even under
high loads. Bases include stand-up springs and a
U-adaptor to accept a variety of appropriate blocks.
The 403 is fitted with a double cam for
use in two-speed mainsheet systems.
Mainsheets, Jib sheets and Control lines.
Part Number: 403
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