Isolation mounts are used to attach and position systems, accommodate displacement, and isolate components from the surrounding structure (vibration, shock, noise). Mount Type: Mushroom Mount Overall Length (mm): 31.8 Overall Length (in): 1.25 Sleeve Length (mm): 25.4 Sleeve Length (in): 1 Head Outside Diameter (mm): 50.8 Head Outside Diameter (in): 2 Pilot Outside Diameter (mm): 34.3 Pilot Outside Diameter (in): 1.35 Inside Diameter (mm): 16.5 Inside Diameter (in): 0.65 Standard Bolt Size: M12