The top of the building bears a striking resemblance to the end of a Phillips head screwdriver and has a similar appearance to Two Liberty Place in Philadelphia also designed by Jahn, which is a year older. The building is the maximum height permitted by the US Federal Aviation Administration for a structure in downtown San Diego due to its close proximity to San Diego International Airport.
The pinnacle of this structure closely resembles the tip of a Phillips head screwdriver, sharing visual characteristics with Two Liberty Place in Philadelphia designed by Jahn. Constructed one year after Two Liberty Place, this building is the maximum permitted height for structures downtown San Diego due to its proximity to San Diego International Airport.