As the error was completed from the god Indra, he grants Hanuman a would like that his entire body can be as sturdy as Indra's Vajra, and that his Vajra may also not damage him. Together with Indra other gods have also granted him needs: the God Agni granted Hanuman https://sites.google.com/view/hindu-temple-south-australia/hanuman-mandir-and-shani-dev-temples-in-adelaide