CB antenna ballmount with the SO-239 cable connector Model #103 $74.95
3/8-24 thread in top with a 1 inch face ball
1/2-20 bottom stud bolt with a 3/16th inch screw for terminal connection
2-5/16th inch tall
Base is 1-1/2 inch OD
Requires a 5/8 inch hole to mount in metal 1/4 to 3/8 inch thick
CB ball mount with ring terminal connection Model # 102 $49.95
Heavy Duty Antenna Mounts for Mobile Ham Radios $10 Flat rate Shipping with Satisfaction Guaranteed !