This image is of a Trishul (trident) of Shiva. Shiva is one of the God in Hindu Trinity. Shiva holds Kamandul (a typical container for water used by ascetics) trident and an hour-glass drum that symbolizes the creative pulse of the universe. Shiva's trident is symbolic of the past, present, and future, the three aspects of time. The three Gunas (qualities) Satva (serenity) Rajas (passion) Tamas (sloth).His three fundamental  Shaktis (powers) of  Iccha (will) , Kriya (action) and Jnana (knowledge) (jnana). The triden also symbolizes the lord’s  power to destroy evil and ignorance.