Hadith.2276 - Archangel Jibril (as) descended with a tool from Paradise"—and it has been narrated—"a red ruby, and he circled it around Adam's head and shaved his head with it."
Al-Kāfi #724“I once asked abu Ja’far (a.s.), ’How did Adam (a.s.), perform Hajj and with what did he shave his head?’ He (the Imam) replied, ‘ Jibril...