WINDFRD Aluminum Fish Finder Mount with 1.5" / C Size Ball (Marine Medium Arm)

Quick take

This aluminum fish finder mount is built for C-size (1.5") ball setups, using a double-socket arm for smoother aiming and a universal plate to attach your electronics. It is a solid pick if you want a stable, saltwater-tough mount that holds position even when conditions get rough, but you must verify your fish finder’s screw pattern and that the 1.5" ball size matches your existing mounting ecosystem.

Pros and cons

Pros

  • Marine-grade aluminum construction with a powder-coated finish for saltwater use.
  • Ball-and-socket adjustability (double socket arm) for convenient aiming.
  • Designed to support up to 15.5 lb static load (4.5 lb while moving).
  • Universal mounting plate with pre-drilled options intended for multiple marine electronics.

Cons

  • Compatibility depends on your device’s mounting pattern, some setups may require extra hardware or adaptation.
  • The 1.5"/C-size ball is not interchangeable with other ball sizes, so confirm your existing system.
  • Minor fit quirks can show up at extreme angles (for example, clearance against the plate) depending on your installation.

What buyers think

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Buyer-review evidence emphasizes build quality and day-to-day stability. Many reports describe the mount as very sturdy and “rock solid” once tightened, with the ball head staying in place even when the boat is moving or in choppy water. Installation is commonly described as quick (on the order of a few minutes) when the chosen electronics match the plate pattern and screw layout. Overall, reviews suggest reliable holding power and smooth adjustability, with the main caveat being verifying device mounting-hole alignment before assuming it will bolt right on.

Design and build quality

This mount is centered around marine-grade aluminum and stainless steel hardware, aiming at corrosion resistance in saltwater environments. The finish is powder-coated, and the construction includes a mounting kit intended to secure the arm and plate firmly to your boat or kayak. The included double-socket arm is meant to keep your screen or chartplotter positioned with a tighter, more controlled feel than lighter-duty brackets.

Mounting system details (what makes it work)

The key compatibility factor is the 1.5" / C-size ball, which is the interface that lets you swap or connect to ball-mount ecosystems. This model uses a 5.9" double socket arm and a round base intended for surface installation on flat areas. It also includes a universal mounting plate (about 6.23" x 2") designed to fit multiple marine electronics through pre-drilled hole patterns.

Compatibility: garmin, lowrance, and humminbird

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You will want to match your specific unit to the mount’s expected mounting interface (ball size plus the device plate pattern). The mount is marketed as compatible with a broad range of models from major brands, including:

  • Garmin: ECHOMAP CHIRP 72–75 and 92–95, ECHOMAP Plus 7" and 9", ECHOMAP UHD (6", 7", 9"), ECHOMAP UHD2 (5", 7", 9"), GPSMAP (7", 8", 9" series), Striker (5, 7, Plus 5cv), and various Striker Vivid 5cv and 7 Series/9sv combinations listed by the maker.
  • Lowrance: Eagle (7 and 9), ELITE FS (7 and 9), Elite-7 series, HDS Carbon 7, HDS LIVE 7 and 9, HDS PRO 9, HDS-5 and HDS-7 series, and multiple HOOK and HOOK2 series units listed.
  • Humminbird: Helix 8, 9, and Xplore 9 are called out as compatible, while some Helix 5/7 and several other series are noted as not compatible.

If your unit is not explicitly listed (or if you have a less common screen model), treat this as a “check before drilling” situation. Reviews show that screen mounting patterns matter, and screw-hole alignment may require verifying the hole pattern and hardware.

Stability and load capacity

This mount is rated for up to 15.5 lb static load, and 4.5 lb while moving. Those numbers matter if you are mounting a larger display or planning to run on rough water. The adjustment mechanism is ball-and-socket, and buyers consistently describe it as staying put once locked down, with less jiggle during fast travel in choppy conditions.

Who should buy it

  • Kayak and boat anglers who want an adjustable mount that helps you aim the screen for better visibility.
  • Owners of C-size (1.5") ball mount systems who need a sturdier medium-arm replacement.
  • Garmin, Lowrance, and certain Humminbird users whose models match the mount’s listed compatibility and mounting pattern.

Who should avoid it

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  • Buyers using a different ball size (for example, other RAM-style sizes) and who have not confirmed C-size compatibility.
  • Anyone who cannot verify screw-hole alignment for their specific fish finder model. The mounting plate approach can be very workable, but reviews indicate pattern mismatches can happen.
  • Installers who need a perfect fit at every angle without checking clearance .

Pros and cons recap

  • Best strengths: marine-grade build, stable locked-down performance, and practical adjustability.
  • Main tradeoff: mounting fit is device-pattern dependent, and the 1.5"/C-size ball is not a one-size-fits-all standard.

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FAQs

Is this mount compatible with Garmin fish finders and chartplotters?

It is marketed as compatible with a wide set of Garmin models across the ECHOMAP, GPSMAP, and Striker lines. Confirm your exact unit is included in the compatibility list and that the mounting plate pattern matches.

Will it fit a humminbird helix 5 or helix 7?

The mount’s compatibility notes exclude some Helix models, including Helix 5 and Helix 7, as well as other specific Humminbird series. Check your exact model against the compatibility callouts before buying.

How much weight can it hold?

It is rated for up to 15.5 lb static load, and 4.5 lb while moving. Choose your mount based on your specific screen weight and how rough your water conditions can get.

Does it install quickly?

Many buyers describe installation as straightforward, typically taking only a few minutes when the device mounting pattern aligns with the plate. If your screw pattern does not line up, plan for additional hardware or adaptation.

What ball size do I need, 1.5" or C-size?

This mount uses a 1.5" / C-size ball interface. If your existing mounting system uses a different ball size, it may not connect without adapters or a system change.

Is it saltwater-proof?

It is built with marine-grade aluminum and stainless steel hardware and uses a powder-coated finish intended for harsh marine environments, including saltwater exposure.

Specifications

Product TitleAluminum Fish Finder Mount with 1.5" / C Size Ball, Medium Arm Marine Electronic/Depth Finder Mount for Boat/Kayak/Fishing, Kayak Accessories, Compatible with Garmin, Lowrance, Humminbird
CategoryElectronics > GPS, Finders & Accessories > GPS System Accessories > Vehicle Mounts
BrandWINDFRD
ManufacturerWINDFRD
Model NameWINDFRD-B15-ROM10-RE10
Model NumberWINDFRD-B15-ROM10-RE10
ColorBlack
Item Weight730 Grams
Compatible DevicesChartplotter, Fish finders, Marine GPS, CB Radios, Ham Radios, Gimbal Brackets
Compatible Phone ModelsGarmin, Lowrance, Humminbird, Raymarine and more
Mounting TypeSurface Mount
Additional FeaturesCast in One Piece of Aluminum, Corrosion Resistant Marine Grade Aluminum and Powder Coated
Weight Capacity Maximum15.5 Pounds
Water Resistance LevelWaterproof
Compatible with Vehicle TypeBoat
Item Dimensions6.23 x 2 x 7.48 inches
Unit Count1.0 Count
Arm Length5.9 Inches
Enclosure MaterialAluminum, Marine Grade Aluminum, Stainless Steel
Mfr Part Number1
Warranty DescriptionTURE
Built-In Media316L Marine-Grade Stainless Steel Mounting Kit, AMPS Hole Pattern Base, Double Socket Arm, Electronic Devices Mounting Plate
ShapeRectangular

Available variants

Size

  • Short Arm
  • Medium Arm

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