Troll-master Adjustable Swivel Base

Troll-master SKU: AR-1021
Troll-master Adjustable Swivel Base - 862953000014

Troll-master Adjustable Swivel Base

Troll-master SKU: AR-1021
Regular price $119.99
Shipping calculated at checkout.

Troll-Master specializes in the manufacturing of aftermarket downrigger parts. Troll-Master products are built tough to with stand weather, elements, UV and corrosion. Troll-master products are designed and manufactured in the USA. Having trouble finding downrigger parts for your Penn Fathom-master Downrigger?Both the Troll-master AR-1021 Universal Downrigger Swivel Base and the Troll-master PR-1001 Universal Fixed Mounting Base are designed to fit the mounting pattern of all Penn Fathom-Master Manual or Electric downriggers. Troll-master's Swivel Base (AR-1021) even fits Cannon downriggers. (Aftermarket replacement similar to Penn Part 622ASM Adjustable Swivel Mount, Fits Penn Fathom-Master & Cannon Downriggers)

Adjustable Swivel Base - Rotates 360 degrees and locks in multiple positions.

  • Includes Cover plate with 2-1/2" x 2-1/2" mounting pattern for Cannon Downrigger (PN: DSS-S31035)
  • Includes Cover plate with 2" x 3-1/2" mounting pattern for Penn Fathom-Master Downrigger (PN: DSS-S31036)

To gunnel mount the AR-1021 use the included; 4 sets: 2" Slotted Pan Head 1/4-20 Screw, Washer and 1/4-20 Lock Nut.


  • This DOES NOT include a Fixed Base Plate (required) for the actual quick mounting of Penn Fathom-Master Downriggers.
  • The Penn 133 600 Fixed Base Plate is sold separately as the aftermarket Troll-master PR-1001, below.
  • The PR-1001 (Penn 133 600) Fixed Base Plate is used to attach Penn Fathom-Master Downriggers.
  • The PR-1001 (Penn 133 600) Fixed Base Plate is not required for the Cannon Downriggers

How To Assembly the Troll-Master Seahorse Adjustable Swivel Base

  • The Troll-Master Swivel Base comes pre-assembled, but if you should happen to take it apart, check out the video link below on how to put it back together.
  • Click Link:

How To Install the Troll-Master Seahorse Adjustable Swivel Base on a Gimbal Mount

  • Below is a Video Link which shows how to install the Troll-Master Seahorse Adjustable Swivel Base onto a Troll-Master Seahorse Gimbal Mount (aka Penn Quick Mount). If you are mounting directly to your gunnel, you will need to drill holes. The Troll-Master Seahorse Adjustable Swivel Base comes with a template for drilling. You will want to use the rectangle pattern, not the square one.
  • Click Link:
WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
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Shipping (Shipping, Handling, Insurance)

All packages are shipped with tracking and insurance at no additional cost to you.

To most destinations Standard Shipping is a 1-5 business day transit time service.

  • Fisherman's Headquarters offers Free Standard Shipping On Orders Over $75 (merchandise total) shipped within the 48 Contiguous United States (AK, HI, PR excluded).
  • Free Shipping does NOT apply  or on large "oversized" and "overweight" items such as, but not limited too; fishing rods, blanks, gaffs, harpoons, coolers, cooler racks, large rod racks, beach carts.
  • For orders under $75 (merchandise total) our Standard Shipping option is a Flat $5.99 fee. 

Returns & Exchanges

  • Within a 10 day period of time (from delivery date), we offer a no questions asked returns of new merchandise (must be unused). Item must be in brand new condition in their original box, including packaging materials, manuals, tags and accessories. 
  • Simply send the package back to us with a copy of your invoice and a note instructing us. For example, "Exchange for size." Or, "Return for credit."
  • Please allow 5-10 business days for a return/exchange to be received, inspected and processed. Exchange or refund amount excludes shipping charge.
  • After 10 days all returns must be approved and will be subject to a 10% restocking fee or given store credit. Please contact us for approval.

We reserve the right to refuse any return at anytime. No returns or exchanges on bait, custom and special ordered merchandise.

Heavy Merchandise

  • Packages greater than 72" in length are considered "Heavy Merchandise", "Oversized", and "Overweight" packages. 
  • These items will require an additional shipping cost due to size and weight. 

High Value Merchandise

  • Signature is required at delivery for all orders over $500. Prepare accordingly because there's only three attempts before it is returned to sender. At which time the customer will have to wait and pay for the reshipment.

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