Double Socket Arm 9.0in with 1.5in Ball Sockets - Heavy-Duty Mounting

In this review the reviewer tested the Strg Double Socket Arm to see whether it provides a durable, adjustable connection for electronics and marine gear. The bottom line: this 9.0in aluminum double socket arm is best for users who need a rugged, corrosion-resistant link between a 1.5in ball mount and a device holder, and its main advantage is strong, near-infinite adjustability from the double ball-and-socket design. The review focuses on build, fit, and real-world mounting scenarios to judge value for boaters, motorcyclists, and vehicle installers.

Key Features

• 9.0in overall length: Provides extended reach while the 7.5in socket-to-socket length helps clear dash clutter and optimize viewing angle.
• 1.5in ball compatibility: Works with any 1.5in, C size, 38mm ball mount components so it fits common marine and vehicle bases and holders.
• Double ball-and-socket design: Allows near-infinite adjustability so users can fine-tune position and tilt for navigation screens or instruments.
• Marine-grade aluminum: Powder-coated alloy resists corrosion and holds up in demanding environments such as boats and exposed vehicle mounts.
• Wide application range: Suits fish finders, GPS, motorcycles, bicycles, tractors and forklifts where a robust adjustable arm is needed.
• Lifetime warranty: Backed by a lifetime guarantee and direct email support, offering long-term confidence for critical mounts.

Who It's For

This arm is aimed at boaters, anglers, and field technicians who attach fish finders or GPS units and need a corrosion-resistant, adjustable link that mates with standard 1.5in ball systems. It is also a solid choice for motorcyclists and vehicle owners wanting a compact but strong arm to position devices safely within view.

Users who need ultra-lightweight or folding arms for stealth packing, or those using nonstandard ball sizes, should look elsewhere; this arm is purpose-built for robust, fixed installs where strength and adjustability matter more than minimal weight or proprietary connectors.

Pros & Cons

Pros

• Durable powder-coated, marine-grade aluminum construction that resists corrosion in wet environments.
• Universal fit to 1.5in/ C size/ 38mm ball mounts gives broad compatibility with common bases and holders.
• Double socket geometry provides excellent range of motion for precise device positioning.
• Lifetime warranty offers long-term peace of mind for critical equipment.

Cons

• The arm is relatively long and rigid, so it may be overkill for minimal or ultralight mounting needs.
• Finish and hardware details are functional but not decorative, which may matter for show vehicles.

Specifications

Overall length	9.0 in
Socket-to-socket length	7.5 in
Ball size compatibility	1.5 in / C size / 38 mm
Material	Powder-coated, marine-grade aluminum alloy
Technology	Double ball-and-socket adjustability
Typical uses	Fish finder, GPS, motorcycle, car, bicycle, agricultural and industrial machinery
Warranty	Lifetime

Our Verdict

For anyone mounting electronics in wet, vibrating, or heavy-use environments, this 9.0in double socket arm delivers clear value through durable construction and wide compatibility with 1.5in ball systems. It is a practical, hardwearing choice for marine and vehicle installs where adjustability and corrosion resistance are priorities.

Frequently Asked Questions

Will this fit my 38mm ball mount?
Yes, it is designed to attach to any 1.5in / C size / 38mm ball mount, bases and device holders.

Is the arm corrosion resistant for marine use?
Yes, the powder-coated, marine-grade aluminum alloy is specified for durability in demanding and wet environments.

Does it come with a warranty?
Yes, the product is backed by a lifetime warranty and the seller offers email support for questions.