PCTEL A/S - 3/4" Hole Thick Roof Mount Antenna Laird MAB series for 3/8" or 3/4" hole. For up to 1/4" thickness. A.S K794 for low profile antennas. For up to 1/2" thickness. Maxrad brass BMATM3 series for 3/8" hole. For 1/32" to 1/2" thickness. Laird MABVT8 for 3/8 or 3/4" hole. For thicknesses from 1/32" to 1/2".