'Finger' in the Bible

Then the magicians said to Pharaoh, "This is the finger of God:" and Pharaoh's heart was hardened, and he didn't listen to them; as Yahweh had spoken.

You shall take of the blood of the bull, and put it on the horns of the altar with your finger; and you shall pour out all the blood at the base of the altar.

He gave to Moses, when he finished speaking with him on Mount Sinai, the two tablets of the testimony, stone tablets, written with God's finger.