for US Continental orders over $99
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.Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
Use with: 57 mm/75 mm/2.25 in/3.00 in/ratchets