RAM® 3" Square Post Clamp Mount with Round AMPS Plate - Medium Arm

Name: RAM® 3" Square Post Clamp Mount with Round AMPS Plate - Medium Arm
Brand: RAM Mounts
SKU: RAM-101U-247-3
Price: 64.34 USD
Availability: InStock
Rating: 5.0 (5 reviews)

RAM® 3" Square Post Clamp Mount with Round AMPS Plate - Medium Arm - Main image

$64.34 ~~$98.99~~ In stock

Category: Universal Mounts

The RAM-101U-247-3 consists of a 6 inch double socket arm, round 2.5" diameter round base with the universal AMPS hole pattern and 3" clamp base. The clamp base will wrap around a maximum width of 3" and is tightened by screwing the two plates together with the included nuts and bolts. Rubber ball, socket technology dampens shock and vibration, as well as allows for almost infinite adjustment, perfect viewing angles.

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Express Shipping · United States: $3.99

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Customer Reviews (5.0 / 5 · 5 reviews)

Timothy ★★★★★ Oct 23, 2026

The clamp grips my 3-inch post firmly with no slippage, and the medium arm provides just the right amount of adjustable reach for my GPS. That AMPS plate lined up perfectly with my existing mount holes.

Mia A. ★★★★★ Oct 22, 2026

Three-inch post was a perfect fit with the clamp, and the AMPS plate lined up flawlessly with my device holder. The double socket arm holds its position even on bumpy roads, which is exactly what I needed for my field work.

Brian N. ★★★★★ Oct 21, 2026

The clamp grips my square post solidly, no wobble even on bumpy roads, and the 6-inch arm gives me just enough reach to angle my tablet perfectly. The AMPS pattern on the round base lined up with my device's plate without any drilling.