The temple is best known for the
Loha Prasat , a multi-tiered structure 36 m high and having 37 metal spires, signifying the 37 virtues toward enlightenment. It is the third Loha Prasada (brazen palace) in existence, modelled after the earlier ones in India and Anuradhapura , Sri Lanka . In the past, Loha Prasat was hidden behind an old movie theatre named
Chalerm Thai . The theatre were demolished in 1989 as a project to improve scenery along Ratchadamnoen Road.