RAM® Double Socket Arm with Round Plate - B Size Long

Name: RAM® Double Socket Arm with Round Plate - B Size Long
Brand: RAM Mounts
SKU: RAM-B-103U-C
Price: 24.95 USD
Availability: InStock
Rating: 4.2 (5 reviews)

RAM® Double Socket Arm with Round Plate - B Size Long - Main image

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$24.95 ~~$38.99~~ In stock

Category: Components

The RAM-B-103U-C consists of a 2.5" round base and LONG double socket arm that will accept 1" ball bases. The round base contains pre-drilled holes, including the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm; this with a twist of the arm knob allows for you to maneuver the mount to your optimum viewing position.

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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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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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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 (4.2 / 5 · 5 reviews)

Jason ★★★★★ Oct 23, 2026

The pre-drilled AMPS holes lined up perfectly with my existing dash mount, so installation took about ten minutes. The long arm gives me plenty of adjustment range to position my phone just right, and it hasn't budged a millimeter on rough roads.

Evelyn ★★★★★ Oct 22, 2026

I mounted this on my motorcycle and the 2.5" round plate with pre-drilled holes lined up perfectly with my existing setup. The arm feels rock solid even on bumpy roads, no sagging at all.

Hannah ★★★★★ Oct 18, 2026

This mount felt rock-solid right out of the box, and I love that the pre-drilled AMPS hole pattern saved me from having to drill my own holes. The long double socket arm gives me just the right positioning flexibility for my tablet.