EIA 3”1/8 Ŀ EIA 3”1/8
EIA 3”1/8 — EIA 3”1/8 panel mount
EIA 4″1/8 — EIA 3″1/8
EIA 4″1/2 — EIA 3″1/8
EIA 6″1/8 — EIA 3″1/8
conical — low ross
