RAM Mount Ball Adapter w/1/4" - 20" Threaded Hole Hex Post - C Size [RAM-337U]

RAM® Ball Adapter with 1/4" - 20" Threaded Hole and Hex Post - C Size The RAM-337U includes a 1/4"-20 female thread hex hole connected to a 1.5" rubber ball. Specifications: Thread Pitch (inch): 1/4"-20 x 1/2" (female) Ball Size (inch): C Size (1.5") Materials: Marine-grade aluminum Packaging Type: Polybag Weight: 0.14 lb. Weight Capacity:  Standard Use: 4 lbs  Heavy-Duty Use: 3 lbs