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RAM® Square Post Clamp Base for Posts up to 3" Wide Without Bolts

RAM® Square Post Clamp Base for Posts up to 3" Wide Without Bolts - Main image
$29.36 $44.49 In stock

Category: Components

The RAM® Square Post Clamp Base is designed for posts up to 3" wide and is part of the RAM Mounts component line. It uses the B Size 1" ball system rated to hold up to 2 lbs, making it a suitable building block for mounting setups on square or flat-edge posts.

  • Fits square posts up to 3" wide
  • B Size 1" ball system, rated to hold up to 2 lbs
  • Flat edge clamp design
  • Sold without bolts
  • SKU: RAM-B-247U-3KE1
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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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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 (4.8 / 5 · 5 reviews)

Riley U. ★★★★★

I was pleasantly surprised by how easily this clamp base attached to a square post on my boat—the no-bolt design saved me a ton of hassle. The 1-inch ball system feels sturdy enough for my small GPS unit, and it hasn’t budged in rough water.

James ★★★★★

The clamp base feels rock-solid once tightened, and the 1" ball gives me just enough adjustability for my setup. It took maybe two minutes to attach to my 3" post—no bolts needed, which is exactly why I picked it.

Kevin ★★★★★

Was a bit nervous about the ball joint holding my gear, but the 1” B-size system feels rock solid—clamps down on my 2.5” post with no wobble. Took all of two minutes to install.