![RAM Mount Square Post Clamp Base 4" Wide w\/1.5" Ball [RAM-247U-4]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/1280x1280/products/28184/36610/75145XL__38505.1646194304.jpg?c=1 "RAM Mount Square Post Clamp Base 4\" Wide w\/1.5\" Ball [RAM-247U-4]")
![RAM Mount Square Post Clamp Base 4" Wide w\/1.5" Ball [RAM-247U-4]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28184/36610/75145XL__38505.1646194304.jpg?c=1 "RAM Mount Square Post Clamp Base 4\" Wide w\/1.5\" Ball [RAM-247U-4]")
Square Post Clamp Base 4" Wide with 1.5" Ball
The RAM-247U-4 is a clamp base with 1.5" rubber ball that will connect to rails up to 4" maximum in width.
Features:
- Material: Powder Coated Marine Grade Aluminum
- Ball Size: C Size 1.5" Rubber Ball
- Note: The "U" in the part number reflects product packaged in poly bag.
- Weight: 1.17 lbs.
![RAM Mount Square Post Clamp Base 2" Wide w\/1.5"Ball [RAM-247U-2]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28181/36607/75142XL__07550.1646194295.jpg?c=1 "RAM Mount Square Post Clamp Base 2\" Wide w\/1.5\"Ball [RAM-247U-2]")
![RAM Mount Square Post Clamp Base 3" Wide w\/1.5" Ball [RAM-247U-3]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28183/36609/75144XL__03068.1646194301.jpg?c=1 "RAM Mount Square Post Clamp Base 3\" Wide w\/1.5\" Ball [RAM-247U-3]")
![RAM Mount Square Post Clamp Base 2.5" Wide w\/1.5"Ball [RAM-247U-25]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28182/36608/75143XL__33058.1646194297.jpg?c=1 "RAM Mount Square Post Clamp Base 2.5\" Wide w\/1.5\"Ball [RAM-247U-25]")
![RAM Mount Square Post Base Clamp 5" Wide w\/1.5" Ball [RAM-247U-5]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28185/36611/75146XL__76272.1646194307.jpg?c=1 "RAM Mount Square Post Base Clamp 5\" Wide w\/1.5\" Ball [RAM-247U-5]")
![RAM Mount RAM Square Post Clamp Base f\/Posts up to 4" Wide [RAM-D-247U-4]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28787/37566/88521XL__99734.1646204666.jpg?c=1 "RAM Mount RAM Square Post Clamp Base f\/Posts up to 4\" Wide [RAM-D-247U-4]")
![RAM Mount Square Post Clamp Base f\/Posts Up To 1.5" Wide [RAM-247U-15]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28180/36606/75140XL__67687.1646194292.jpg?c=1 "RAM Mount Square Post Clamp Base f\/Posts Up To 1.5\" Wide [RAM-247U-15]")
![RAM Mount 1.5" Max Width Square Rail Base w\/1" Ball [RAM-B-247U-15]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/26991/34816/45563XL__61784.1646170467.jpg?c=1 "RAM Mount 1.5\" Max Width Square Rail Base w\/1\" Ball [RAM-B-247U-15]")
![RAM Mount Square Post Clamp f\/Posts Up to 4" Wide w\/Arm [RAM-101U-247-4]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28345/36829/79797XL__73523.1646197941.jpg?c=1 "RAM Mount Square Post Clamp f\/Posts Up to 4\" Wide w\/Arm [RAM-101U-247-4]")
![RAM Mount 2" Max Width Square Rail Base w\/1" Ball [RAM-B-247U-2]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/26992/34817/45565XL__38740.1646170470.jpg?c=1 "RAM Mount 2\" Max Width Square Rail Base w\/1\" Ball [RAM-B-247U-2]")