Ball Top Cap Adaptor Truck Kits - iPhone

$32.99 ~~$54.98~~ In stock

Use Quad Lock® to securely mount your iPhone in your vehicle by combining our Ball Top Cap Adaptors with 1" or 20mm socket arms.

EASY TO INSTALL

No tools needed. The familiar ball design make it quick and easy to install with your existing setup. Once you've upgrade to Quad Lock mounting, attaching your phone is as easy as twist, lock. Or add our MAG Heads for even easier and secure magnetic attachment.

MINIMALISTIC DESIGN

Reduce the size of your current mount so that your iPhone sits discreetly in either portrait or landscape mode. Simply twist and lock to attach and detach your phone.

PROTECTIVE / IMPACT RESISTANT CASE

The Quad Lock® iPhone Cases are made from a tough, nylon core and impact absorbing TPU edge-to-edge outer shell to protect your iPhone. With a slim profile and soft touch material, it is perfect for everyday use.

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Owen ★★★★★ Aug 20, 2026

Took it out of the box and had it on my 1" arm in under a minute, absolutely no tools needed. The ball cap clicks in snug and my phone hasn't budged a millimeter on bumpy roads. Exactly what I needed for a clean, secure mount.

Benjamin ★★★★★ Aug 19, 2026

The ball design fits my existing 1" socket arm perfectly, and I had it snapped into place before my coffee finished brewing. No tools, no fuss, and it holds the phone rock-solid on bumpy roads.

Benjamin ★★★★★ Aug 18, 2026

Took me maybe two minutes to click these onto my existing 1" socket arm—no tools, just push and twist. The ball cap fits snug enough that my phone doesn't wobble on bumpy roads, which was my main worry. Solid upgrade if you're already running this kind of mount.