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): 130 Head Outside Diameter (in): 5.12 Head Thickness (mm): 27.5 Head Thickness (in): 1.08 Pilot Outside Diameter (mm): 81.3 Pilot Outside Diameter (in): 3.2 Inside Diameter (mm): 25 Inside Diameter (in): 0.98 Mount Height (mm): 42.5 Mount Height (in): 1.67 Bonded Sleeve: Yes Standard Bolt Size: M24