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RAM® 4" Square Post Clamp Ratchet Base with 1" NPT Post

RAM® 4" Square Post Clamp Ratchet Base with 1" NPT Post - Main image
$119.39 $198.99 In stock

Category: Components

The RAM-D-247U-4P1 is a mounting component from RAM Mounts that combines a flat clamping base for square posts up to 4" wide, a ratchet arm, and a 1" NPT post. It is part of the RAM Mounts square post clamp lineup.

  • Flat clamping base designed for square posts up to 4" wide
  • Includes a ratchet arm for adjustable positioning
  • Features a 1" NPT post
  • Listed under RAM Mounts Components and Square Post Clamp categories
  • SKU: RAM-D-247U-4P1
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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)

Carter ★★★★★

Clamped this onto my dock’s 3-inch post, and the ratchet mechanism locked it down tight in seconds—solid enough for my fish finder mount.

Robert O. ★★★★★

Took it out on the boat this weekend and the clamp held rock-solid through some seriously choppy water. The ratchet arm gives you a satisfying click with each adjustment, so you know it's locked in place.

Chloe ★★★★★

The ratchet mechanism on this mount tightens securely around my 4-inch square post without any slipping, which is exactly what I needed for my boat's electronics. It took me about five minutes to install, and now everything stays rock-solid even in rough water. A simple, heavy-duty solution that jus