The MT 2 mount is made as a support for the MT 1 mount. This mount is also all 304 stainless steel, included with the mount is stainless steel mounting bolts, washers and nuts.  This mount comes with extra holes punched in it so it can be mounted to almost anything.  Designed for use with the M100, M200, M300 & M400 antennas.  Not designed for use with the M40, M75, LT-HP, LT-II or BTA