The vajra (वज्र), meaning "diamond" and "thunderbolt", is an important symbol and ritual instrument in Hinduism and especially in the Buddhist tradition vajrayāna ("way of the diamond") to which it gave its name. It represents indestructibility and immutability that overcomes all obstacles.
This ritual object is made of bronze. It is made in Nepal.
 
Signification:
Dorje or Vajra: ward off falsehood, ward off bad thoughts,  wisdom