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 240 is a simple swivel base for main and jib sheets on very small boats or for control lines on boats of all sizes.
Use cam swivel bases when leads must rotate to face the trimmer.
- Jib sheets
- Control lines
Use #10 (5mm) flathead fasteners.
Height: 1-15/16 in
Weight: 7.5 oz
Min. line diameter: 1/8 in
Max. line diameter: 1/2 in
Fastener spacing: 1-1/32 in
Safe Working Load: 300 lbs
While we carry a ton of Harken hardware, some items are special order only. Call or email for details.
Visit Mariner Sails retail store
Mariner Sails, Inc., 11110 N. Stemmons Fwy, Dallas, TX 75229, 972-241-1498
Come down to our retail store to experience the largest collection of Kayaks - be amazed by the vast options in accessories or come have a chat with our staff members - experienced sailors, kayak anglers, windsurfers - with over 100 years of combined "on-the-water" experience.
9am - 5pm Monday- Friday (Temporary Hours)
10am - 4pm Saturday (Loft Closed on Saturday)
Learn more about our store