360° 17mm Ball Mount Extension Arm – Car Vent Phone Holder
360° Flexible Ball Mount Extension Arm for Car Vent & Dashboard Phone Holders
Upgrade your in-car device setup with this 17mm Ball Mount Extension Arm. Designed for maximum flexibility, this rotating adapter lets you position your phone, GPS, or tablet at the perfect viewing angle — every time. Compatible with standard vent and dashboard mounts, it's a must-have accessory for daily commuters, road trippers, and truck drivers alike.
Made in Mainland China.
Key Features
- Full 360° Rotation: The dual ball-end joints allow complete rotation and angle adjustment, giving you an unrestricted range of viewing positions.
- Universal 17mm Ball Head: Fits any standard 17mm (1-inch) socket mount — compatible with the widest range of car vent and dashboard holders on the market.
- Tool-Free Installation: Simply attach the 17mm socket end to your existing compatible mount and snap your device holder in place — no tools required.
- Multiple Length Options: Available in approximately 22 cm, 32 cm, 42 cm, and 52 cm to suit different dashboard depths and cabin layouts.
- Sturdy Plastic Build: Lightweight yet reinforced construction keeps your device stable on the road, even over bumps and turns.
- Versatile Use: Ideal for navigation, hands-free streaming, video calling, or workspace organisation in cars, SUVs, vans, and trucks.
Specifications
| Material | Plastic |
| Length Options | ~22 cm / 32 cm / 42 cm / 52 cm |
| Ball Head Diameter | ~17 mm / 1 inch |
| Compatibility | Standard 17mm vent & dashboard mounts |
| Origin | Mainland China |
Package Includes
- 1 × 17mm Ball Mount Extension Arm
Note: Due to monitor brightness and lighting conditions, the product colour may appear slightly different from the images shown. Please refer to the actual item received. Slight measurement deviations may occur due to manual measuring.
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Frequently Asked Questions
Q: What size ball head does this extension arm use?
A: This extension arm features a standard 17mm (approximately 1-inch) ball head diameter, which is compatible with the vast majority of car vent and dashboard phone mounts available today.
Q: Which length should I choose?
A: The arm is available in approximately 22 cm, 32 cm, 42 cm, and 52 cm lengths. Choose based on the distance between your vent or dashboard mount and your ideal viewing position. Longer arms are great for larger vehicles or if you prefer the screen further away.
Q: Is this compatible with my existing car phone mount?
A: Yes — as long as your existing mount uses a standard 17mm ball socket (the most common standard), this extension arm will attach seamlessly and expand your positioning options.
Q: Does this extension arm require any tools to install?
A: No tools are needed. Simply attach the 17mm socket end to your compatible car vent or dashboard mount and secure your device holder to the other end — quick and easy setup in seconds.