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.
The low profile model 205 Cam Base is used when installation is at deck level and when smaller blocks are used.
• Use for mainsheets, jib sheets, and control lines
• Low profile (4-1/2" tall) model 205 is suitable for 57 mm (2-1/4"), Big Bullet, Dinghy, and little ratchet blocks