Isolation mounts are used to attach and position systems, accommodate displacement, and isolate components from the surrounding structure (vibration, shock, noise.) Thread Size: '1-14 Distance Between Flange Holes (mm): 170.0 Overall Height or Sleeve Length (mm): 213.0 Distance Between Flange Holes (in): 6.69 Overall Height or Sleeve Length (in): 8.39 Mount Type: Pedestal Mount - Marine