Use swivel bases when leads must rotate to face the trimmer. Ball bearing swivel bases feature dual rows of Delrin® ball bearings to ensure that they swivel freely even under high loads. The bases include a stop that prevent the base from swiveling completely and fouling lines.
Model 403 Cam Base is fitted with a double Cam-Matic cleat for use in two-speed mainsheet systems.
• Use for mainsheets, jib sheets, and control lines
• Model 403 is suitable for 57 mm (2-1/4") and 3" double ratchet blocks