Maxrad BMATM38 3/8"-3/4" Hole Mount Only Laird MAB series for 3/8" or 3/4" hole. For up to 1/4" thickness. Laird MABVT8 for 3/8 or 3/4" hole. For thicknesses from 1/32" to 1/2". A.S K794 for low profile antennas. For up to 1/2" thickness. Maxrad MATM series for 3/8" or 3/4" holes. Installs from below. For up to 3/16" thickness.