RAM-247U-4 RAM Mounts Square Post Clamp Base for Posts up to 4" Wide - C Size

RAM-247U-4 RAM Mounts Square Post Clamp Base for Posts up to 4" Wide - C Size MUST BE UNOPENED AND UNUSED TO QUALIFY FOR RETURN BALL SIZE = 1.5 INCH CLAMP SIZE = UP TO 4-INCHES IN WIDTH FEATURES Clamping base ideal for square posts up to 4" in width; adjustable and easily removable Included C size 1.5" RAM® rubber ball allows for connection to any C size RAM®double socket arm; ball and socket technology allows for near-infinite adjustability Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments Backed by a lifetime warranty The RAM-247U-4 is a clamp base with 1.5" rubber ball that will connect to rails up to 4" maximum in width.   HARDWARE INCLUDED (2) 5/16"-18 x 3" Machine Screws(2) 5/16"-18 Nylock Nuts CLAMP RANGE 4" max width BALL SIZE C Size (1.5") WEIGHT CAPACITY Standard Use: 4 lbsHeavy-Duty Use: 3 lbs MATERIALS Marine-grade aluminum PACKAGING TYPE Poly Bag WEIGHT 1.17 lb