Exodus 34:4 He chiseled two tablets of stone like the first; and Moses rose up early in the morning, and went up to Mount Sinai, as Yahweh had commanded him, and took in his hand two stone tablets. (WEB NIV)
Deuteronomy 10:3 So I made an ark of acacia wood, and cut two tables of stone like the first, and went up onto the mountain, having the two tables in my hand. (See NIV)