The Prophet ﷺ said, "Ibrahim was circumcised when he was eighty years old. He was circumcised with an adze."
حدثنا يحيى عن ابن عجلان قال سمعت أبي يحدث
عن النبي ﷺ قال اختتن إبراهيم وهو ابن ثمانين اختتن بالقدوم
Its isnad is sahih. It was previously mentioned in 2/417–418 of the printed edition.