RAM Mount 1/2" NPT Female Threaded Hole Base with 1.5" Ball
C-Kogel met 1/2 inch (1.3 cm) inwendige schroefdraad (female).
The RAM-218-1U consists of a 1.5" ball and 0.5" NPT female thread. This part connects to any 0.5" NPT male thread, including RAM-PA82xx flex arm series mounts. NPT Thread and Pipe Sizing: NPT (National Pipe Thread) is a standard used in joining pipes and fittings that have a tapered thread. As a general rule, the NPT inch size is the inside diameter of the threaded pipe and is known as the NPS (Nominal Pipe Size)
Powder Coated Marine Grade Aluminum
1.5" Rubber Ball "C" Size