Use cam swivel bases when leads must rotate to face the trimmer; good mainsheet pedestal for dinghies.

Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even under high loads. Bases include stand-up springs and a U-Adaptor to accept a variety of appropriate blocks.

• The Swivel Base/150 Cam-Matic is the standard configuration with a tall arm
• Ideal for mounting in the cockpit or for use on larger keelboats and small offshore boats that use 7 mm (3.00") plastic blocks
• Height: 5 3/4" (146mm)
• Weight: 13oz. (369g)
• Minimum Line Diameter: 1/8" (3mm)
• Maximum Line Diameter: 1/2" (12mm)
• Fastener Spacing (square pattern): 3/4" (19 mm) centers
• Fasteners: #10 FH (5mm)
• Fits Blocks: 2.25", 3.00" Light Duty Hexaratchet® ,57mm, 75mm Carbo® Air® Blocks, including Ratchet and Ratchamatic® Blocks