The Messenger of Allah ﷺ said, "On that Day, Hell will be brought forth. It will have seventy thousand reins, and with each rein there will be seventy thousand angels dragging it."
قال رسول الله ﷺ: يؤتى بجهنم يومئذ، لها سبعون ألف زمام، مع كل زمام سبعون ألف ملك يجرونها.
Muslim reported it in "Paradise and the Description of Its Bliss and Its People" (2842), from Umar bin Hafs bin Ghiyath, who said, "My father narrated to us, from Ala bin Khalid Kahili, from Shaqiq, from Abdullah bin Masud," and he mentioned it.