Fortress FX-7 4LB Anchor For 16-17' Boats
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Product ID 3870150
Brand Fortress
Condition New

Fortress FX-7 4LB Anchor For 16-17' Boats by Fortress

$159.00 USD $108.85 + $12.49 shipping
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The Legendary Fortress Anchor

In test after test, from coast to coast and from around the world, no anchor in history has been called?The World?s Best Anchor? by more boaters and respected marine experts than Fortress.and for good reason.

Years of research and development, high-tech materials and manufacturing and thousands of real world tests are your assurance of performance, quality, and value. Fortress weighs only half as much as heavier steel anchors and yet outperforms them all.

Why? Because the Fortress design does not depend upon weight to provide world class performance. All this adds up to your best value in anchoring safety and convenience.

Feature Benefit

Precision-machined from an aluminum alloy that is as strong as steel, but only half the weight.
  • Easy to manage weight
  • Rustproof
  • Sharper than heavy, dull-edged steel anchors
  • Will set faster and penetrate deeper into common sea bottoms for incredible holding power
Can be disassembled
  • Excellent as a spare or storm anchor
  • Easy to store
Lifetime Parts Replacement Warranty
  • Free replacement of any damaged anchor part.Forever!*
Adjustable 32 to 45 fluke angle
  • Exclusive and patented feature which dramatically increases holding power in problem soft mud bottoms
Tough anodized finish
  • Handsome and durable appearance
  • Corrision resistant
Model FX-7 FX-11 FX-16 FX-23 FX-37 FX-55 FX-85 FX-125
Boat Length
ft 16'-27' 28'-32' 33'-38' 39'-45' 46'-51' 52'-58' 59'-68' 69'-150'
m 5-8 8-10 10-12 12-14 14-15 16-18 18-21 21-46
Weight lb 4 7 10 15 21 32 47 69
kg 1.8 3.2 4.5 6.8 9.5 14.4 21.2 31.1
Replaces Steel Anchors lb 6-9 10-13 14-18 19-28 33-50 50-65 70-90 100-170
kg 3-4 5-6 6-8 9-13 15-23 23-29 32-41 45-77
Model FX-7 FX-11 FX-16 FX-23 FX-37 FX-55 FX-85 FX-125
Working Load
lb 700 900 1.250 2,000 3,000 4,000 5,250 6,750
kg 318 408 567 907 1,351 1,814 2,381 3,062
32 Degree Hard Sand Holding Power lb 2,800 3,600 5,000 8,000 12,000 16,000 21,000 27,000
kg 1,270 1,633 2,268 3,629 5,443 7,258 9,536 12,247
45 Degree Soft Mud Holding Power lb 840 1,080 1,500 2,400 3,600 4,800 6,300 8,100
kg 381 490 680 1,089 1,633 2,177 2,858 3,674
32 Degree Soft Mud Holding Power lb 420 540 750 1,200 1,800 2,400 3,150 4,050
kg 191 245 340 544 816 1,089 1,429 1,837
Model FX-7 FX-11 FX-16 FX-23 FX-37 FX-55 FX-85 FX-125
"A" Shank Length


24" 27" 31" 36" 40" 46" 51" 56"
mm 610 685 787 914 1,016 1,168 1,295 1,422
"B" Fluke Length in 14" 16" 18" 21" 24" 27" 30" 33"
mm 356 406 457 533 610 686 762 838
"C" Stock Length in 19" 22" 25" 29" 32" 37" 41" 45"
mm 483 559 635 737 813 940 1,041 1,143
Model FX-7 FX-11 FX-16 FX-23 FX-37 FX-55 FX-85 FX-125
Proof Coil Chain
in 3/16" 1/4" 5/16" 3/8" 3/8" 1/2" 1/2" 1/2"
mm 5 6 8 9 9 13 13 13
Nylon Rope** in 3/8" 3/8" 1/2" 5/8" 3/4" 7/8" 1" 1 1/4"
mm 9 9 13 16 19 22 25 32
Shackle Size in 1/4" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 5/8"
mm 6 6 8 10 12 12 16 16
NOTE: Hard sand holding power figures above represent loads actually achieved on production FORTRESS and Guardian anchors under controlled horizontal pull conditions without dragging or resulting in disabling structural deformation.

** Rope recommendations are based on 25% of breaking strength. Rope must be in good condition.

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Shipping & Handling

Store Location Las Vegas, NV
Ships within 7 business days
Shipping Options Standard Shipping (3-7 days)
Ships to Contiguous U.S.
Excludes AK, HI, PR, APO/FPO/DPO, PO Boxes
Shipping Rates
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Unless other wise stated, products ship with standard delivery either by FedEx, UPS or USPS. For expedited shipping, additional rates apply.

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Item(s) must be returned within 14 days after arrival.
Refund will be given as: Refund Money.

At Pricefalls, we strive to ensure that all customers are satisfied. You can initiate a return for most new and unopened items within 14 days of delivery. If you would like to return an item after 14 days of delivery, please follow the processes below and we will still try to assist you with a return. If a product arrives damaged or not as described you are fully protected and we will refund the full cost of the merchandise, shipping charges, and return shipping charges.

In order for your funds to be returned you must request a return directly through your Pricefalls account, by calling Pricefalls or clicking Request Return/Cancellation in your Order History. Then, Pricefalls will process your request and provide you with an RMA number (Return Merchandise Authorization Number) and return instructions. No returns will be accepted without return tracking information, an RMA number and proper execution of the provided instructions. If an item is returned and the reason is not due to a Pricefalls error or the package is labeled as undeliverable due to the incorrect address being entered at checkout, the order will be refunded less the original shipping cost. If a product arrives damaged please contact Pricefalls support within 72 hours so a claim can be filed with the appropriate division or shipping company. Additionally, if your purchase qualified for "Free Shipping" the actual cost of shipping for your item(s) will be deducted from your refund.

You must return items in new or unused condition inside of an outer shipping box with all original materials included with the shipment and the merchandise must be received your returned items at our processing facility within 45 days of delivery. All returned items are inspected and typically, refunds are not awarded for opened or used products. Returns are subject to a 15% restocking fee.

Once again, if the return is a result of Pricefalls error or defective product, we will refund the full cost of the merchandise, shipping charges, and return shipping charges. First, Pricefalls will provide you with a prepaid label upon receipt of pictures of the damaged/defective item. You can expect your refund within four weeks from the date you return your merchandise. In most cases you will receive a refund much sooner, but a four week estimate is required to allow ample time for return shipping (up to 14 days), returned product inspection (up to 5 business days), and processing from your bank or credit card company (up to 5 business days). All refunds are issued to the original method of payment. Once your return is processed you will receive an email with your refund details.

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