Isolation mounts are used to attach and position systems, accommodate displacement, and isolate components from the surrounding structure (vibration, shock, noise). Mount Type: Sandwich - One Stud, One Hole Outside Diameter (mm): 38.1 Outside Diameter (in): 1.5 Rubber Length (mm): 25.4 Rubber Length (in): 1 Stud Thread Size: 0.4 Stud Thread Pitch: 16 Hole Thread Size: 0.4 Hole Thread Pitch: 16