The RFI MAM-101 marine fold down mount allows antennas to be laid down when not in use. Note: The MAM-101 has a 1 14TPI thread and hence needs to be used in conjunction with either: 1 x MM-001 for use with RFI CD Series antenna using a 1/2 26TPI threaded stud. Or 1 x MM-CDQ for use with RFI CDQ Series whips. Includes 4 x stainless steel mounting bolts, nuts & washers.