4 Quick Connect BNCJ/SMAK for Garmin Astro 220,Astro 320,430, Alpha 100 Antenna

4pcs Quick Connect (as seen in the images) for Garmin GPS receivers. Eliminates the tedious task of screwing antennas into your Garmin receiver. Screw the base piece into place once and your antenna goes on and off with just a half turn. Much quicker. Allows use with 3 different antennas.

Fit for Garmin Astro 220, 320, 430, Alpha 100, 200, 200i