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 SizeThe 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