HARKEN Ball Bearing Swivel Mainsheet Cam Base Support Black / Silver / Grey / Red

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. Specifications: - Height (in): 5 3/4 in - Height (mm): 146 mm - Weight (g): 369 g - Weight (oz): 13 oz - Minimum line Ø (mm): 3 mm - Minimum line Ø (in): 1/8 in - Maximum line Ø (mm): 12 mm - Maximum line Ø (in): 1/2 in - Fastener spacing (mm): 19 mm - Fastener spacing (in): 3/4 in - Fasteners (mm): 5 FH mm - Fasteners (in): #10 FH in - Use with: 57 mm/75 mm/2.25´´/3.00´´/ratchets