Swivel Base with 150 Cam-Matic Cleat


In stock online.
Model # 114645 | Mfg # 144 | UPC # 97653003656

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.

Key Features

  • 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


Swivel Base with 150 Cam-Matic Cleat

Name Value
Diameter 1/8" to 1/2"
Hole Spacing 3/4"
Length 5 3/4"
Mounting Hardware Four #10 Flat Head Machine Screws
Type Bases & Blocks


The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Related West Advisor Articles


Product Q & A


FREE DELIVERY to West Marine Stores

  • Available for ALL products including hazardous & truck freight items.
  • Ship to over 240 U.S. store locations.
  • Contiguous United States orders arrive in 7 - 10 days.
  • Hawaii and Alaska orders arrive in 10 - 16 days.
  • Expedited shipping is available for an additional fee.
  • Not available in Puerto Rico.

FREE SHIPPING on Orders over $49.00

  • Applicable on orders over $49.00 within the 48 contiguous United States.
  • Does not apply to Truck Freight.
  • No coupon code required.
  • Orders will be delivered within 3 - 7 business days.


We stand behind everything we sell. If at any time your West Marine purchase does not meet your expectations, you can return it for a replacement or refund. If you are a West Advantage Rewards member, you don't even need a receipt - we'll have a record of your purchase. Returns can be made via mail or in person at their nearest store location. If you are not a West Advantage Rewards member, we will first need to verify your purchase by receipt or other method.

We do carry a few items that cannot be returned. This includes: items with expiration dates that have expired such as flares, charts, annual publications; items registered to the user such as boats, motors, EPIRBs, PLBs, SPOT, Class B AIS, life rafts; customized items such as rigging, and boat covers, computer software and electronics charts. Other non-returnable items include carry-on air conditioners, generators and select electronics. We will help you contact the vendor for assistance or repair on product that cannot be returned to West Marine. Items containing hazardous material may only be returned to a West Marine store.

For additional inquiries, you may call Customer Service at 1-800-BOATING (262-8464).