Harken Low Profile Double Cam Swivel Base

Use cam swivel bases when leads must rotate to face the trimmer.

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 402 and 403 are fitted with a double cam for use in 2-speed mainsheet systems.

Specifications:

• Height: 111 mm | 4-3/8”
• Weight: 362 g | 12.75 oz
• Minimum line Ø: 8 mm | 5/16”
• Maximum line Ø: 10 mm | 3/8”
• Fastener spacing: 19 mm | 3/4”
• Fasteners: 5mm FH | #10 FH
• Use with 57 mm | 2.25" Double Ratchet Blocks