Mainsheet Swivel Base

Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even underhigh loads. 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.

• Height (mm) 146 mm
• Height (in) 5 3/4 in
• Weight (g) 369 g
• Weight (oz) 13 oz