SKU: 34771634842

RAM Clamp Base - Square 102mm Post Clamp Base with 1.5 inch (C Series) Ball

Sale price$94.41 Regular price$104.90
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

RAM Clamp Base - Square 102mm Post Clamp Base with 1.5 inch (C Series) BallRAM 247U 4 Square Post Clamp Base (102mm, C Size Ball) The RAM 247U 4 is a RAM Mounts square post clamp base for posts and rails up to 102mm (4") wide, fitted with a C size 1. 5" rubber ball. It is the widest clamping base in the C size range and pairs with any C size double socket arm. Key Features Clamps onto square posts and rails up to 102mm (4") wide; adjustable and easily removed or repositioned Includes a C size 1. 5" RAM rubber ball that

RAM-247U-4 Square Post Clamp Base (102mm, C Size Ball)

The RAM-247U-4 is a RAM Mounts square post clamp base for posts and rails up to 102mm (4") wide, fitted with a C size 1.5" rubber ball. It is the widest-clamping base in the C size range and pairs with any C size double socket arm.

Key Features

  • Clamps onto square posts and rails up to 102mm (4") wide; adjustable and easily removed or repositioned
  • Includes a C size 1.5" RAM rubber ball that connects to any C size RAM double socket arm
  • RAM rubber ball-and-socket design gives near-infinite angle adjustment
  • Powder-coated marine-grade aluminium, built for vibration and weather
  • Backed by RAM's lifetime warranty

Works With

Any C size (1.5" ball) RAM component: connect a C size double socket arm, then add a C size ball adapter or device holder to suit your gear. The base is removable and can be repositioned along the post at any time.

Dimensions & Specifications

  • Maximum post width: 102mm (4")
  • Ball size: 1.5" (C size)
  • Weight capacity, standard use: 1.81kg (4 lbs)
  • Weight capacity, heavy-duty use: 1.36kg (3 lbs)
  • Product weight: 531g (1.17 lb)
  • Material: powder-coated marine-grade aluminium
  • Hardware included: (2) 5/16"-18 x 3" machine screws, (2) 5/16"-18 Nylock nuts

FAQs

What size post does it fit? Square posts and rails up to 102mm (4") wide.

What does it connect to? Any C size RAM arm and holder via the included 1.5" ball.

Is the mounting hardware included? Yes, two 5/16"-18 x 3" machine screws and two Nylock nuts.

How is it dispatched? In stock items ship from our Auckland warehouse, normally within one business day of your order.

Watch the product video

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 34771634842

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★★★★★ 5
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Reviewed in the United States on February 14, 2026
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Lynn Lewis
Draper, US
★★★★★ 5
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Size: 60''x80'', Color: Tipped Champagne Ivory
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Reviewed in the United States on December 28, 2025
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sarinana
Alexandria, US
★★★★★ 5
Keeps it shape and texture after washing
Size: 60''x80'', Color: Tipped Champagne Ivory
Slightly weighty but not heavy, soft, washable and keeps its shape and fluffy texture. Good throw blanket for beds or sofas. Warm and cozy blanket.
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Reviewed in the United States on November 16, 2025
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Melinda Sisk
Pawtucket, US
★★★★★ 5
Comforting
Size: 60''x80'', Color: Natural Tan
Very soft, nice weight, long enough to cover whole body
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Reviewed in the United States on April 16, 2026
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Gracie
Houston, US
★★★★★ 5
Soft as Rabbits Fur🥰
Size: 60''x80'', Color: Ombré Silver Onyx, Size: 60''x80'', Color: Ombré Silver Onyx
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