Isolation mounts are used to attach and position systems, accommodate displacement, and isolate components from the surrounding structure (vibration, shock, noise). Mount Type: Two-Piece - Symmetric Head Outside Diameter (mm): 90 Head Outside Diameter (in): 3.54 Head Thickness (mm): 11 Head Thickness (in): 0.43 Pilot Outside Diameter (mm): 60 Pilot Outside Diameter (in): 2.36 Inside Diameter (mm): 25.4 Inside Diameter (in): 1 Mount Height (mm): 23 Mount Height (in): 0.91 Bonded Sleeve: Yes