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