(5) باب مَوْضِعِ الإِبْهَامَيْنِ عِنْدَ الرَّفْعِ
It was narrated from Abdul-Jabbar bin Wa'il, from his father, that:
He saw the Prophet (ﷺ), when he started to pray, raise his hands until his thumbs were almost level with his earlobes.
Reference: Sunan an-Nasa'i 882
In-book reference: Book 11, Hadith 7
English translation: Vol. 2, Book 11, Hadith 883