RAM Mount RAM Square Post Clamp Base f/Posts up to 4" Wide [RAM-D-247U-4]

RAM® Square Post Clamp Base for Posts up to 4" WideThe RAM-D-247U-4 consists of a 4" clamp base with a 2.25" ball.Hardware Included: (2) 5/16"-18 x 3" Machine Screws (2) 5/16"-18 Nylock Nuts Specifications: CLAMP RANGE: 4" max width BALL/SOCKET SIZE: D Size (2.25") WEIGHT CAPACITY: 6 lbs MATERIALS: Marine-grade aluminum WEIGHT: 1.44lbs