Firestik NW-1 CB Radio Antenna SO-239 Stud Nylon Insulator Washers 8 Piece PackNylon washers are a must for a dependable antenna stud mount installation.
All have a 3/4 inch (19mm) diameter and are made specifically for 1/2 inch holes and 3/8 inch bolts (industry standard sizes).
Each Package contains three washers with a 0.031 inch (1mm) shoulder, three with a 0.125 inch (3mm) shoulder and two with a 0.195 inch (5mm)shoulder.
Model: Firestik NW-1