Wilson 991168 Short Chrome Radials is a set of 3 short replacement grounding radials for trucker, marine, and omni-directional antennas, allowing for quick replacement of broken or lost ground radials for Wilson Trucker Antennas 301101, 301119 and 301133, Wilson Marine Antenna 301130, and Wilson Omni-Directional Antennas 301201 and 301202.