Harken's Standard Swivel Cam Base is ideal for mounting in the cockpit for use on larger keelboats and small offshore boats that use (2 1/4 in) 57mm and (3 in) 75mm plastic blocks, including ratchet blocks, that accept line with a maximum diameter of ﾽﾔ (12.7mm). This standard configuration has a tall arm, stand-up spring and U-adaptor to accept a variety of appropriate blocks. Its swivel features dual rows of Delrin ball bearings that swivel freely even under high loads.
|Fasteners (in)||#10 (x4)|
|Fasteners (mm)||5 (x4)|
|Hole Spacing (in)||3/4 (x4)|
|Hole Spacing (mm)||19 (x4)|
|Max Line Size (in)||1/8 - 1/2|
|Max Line Size (mm)||3 - 12|
|Note||Blocks Suited: 57mm, 75mm, 2.25", 3.00", ratchets|