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): 110 Head Outside Diameter (in): 4.33 Head Thickness (mm): 49 Head Thickness (in): 1.93 Pilot Outside Diameter (mm): 64 Pilot Outside Diameter (in): 2.52 Inside Diameter (mm): 22.5 Inside Diameter (in): 0.89 Mount Height (mm): 51.5 Mount Height (in): 2.03 Bonded Sleeve: Yes Standard Bolt Size: M20