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. Harken Cam Bases include stand-up springs and a
U-adaptor to accept a variety of appropriate blocks.
The 144 is the standard configuration with a tall
arm. It is ideal for mounting in the cockpit or for
use on larger keelboats and small offshore boats
that use 3.00 in (76 mm) plastic blocks. The lowprofile
205 is used when installation is at deck
level and when smaller blocks are used. The
1574 accepts Midrange blocks.
The 216 features a second cleat for lines led
vertically through the base of the swivel. It is
frequently used to combine vang or backstay
controls in the same swivel base that handles
The 240 and 241 are simple swivel bases for main
and jib sheets on very small boats or for control
lines on boats of all sizes.
The 402 and 403 are fitted with a double cam for
use in two-speed mainsheet systems.
The 462 swivel base with 468 Micro Cam-Matic
provides precise cleating. The 16 mm sheaves
feature low-friction stainless steel ball bearings
to handle high loads. Ideal for controls where cleating angles change