His right hand and Holy arm

His right hand and Holy are figurative of His great power.

Exodus 15:16

terror and dread will fall upon them. By the power of your arm they will be as still as a stone— until your people pass by, O LORD, until the people you bought pass by.

Deuteronomy 4:34

Has any god ever tried to take for himself one nation out of another nation, by testings, by miraculous signs and wonders, by war, by a mighty hand and an outstretched arm, or by great and awesome deeds, like all the things the LORD your God did for you in Egypt before your very eyes?

Deuteronomy 5:15

Remember that you were slaves in Egypt and that the LORD your God brought you out of there with a mighty hand and an outstretched arm. Therefore the LORD your God has commanded you to observe the Sabbath day.

Deuteronomy 7:19

You saw with your own eyes the great trials, the miraculous signs and wonders, the mighty hand and outstretched arm, with which the LORD your God brought you out. The LORD your God will do the same to all the peoples you now fear.

Deuteronomy 9:29

But they are your people, your inheritance that you brought out by your great power and your outstretched arm.”

Deuteronomy 11:2

Remember today that your children were not the ones who saw and experienced the discipline of the LORD your God: his majesty, his mighty hand, his outstretched arm;

Deuteronomy 26:8

So the LORD brought us out of Egypt with a mighty hand and an outstretched arm, with great terror and with miraculous signs and wonders.

1 Kings 8:42

for men will hear of your great name and your mighty hand and your outstretched arm—when he comes and prays toward this temple,

2 Kings 17:36

But the LORD, who brought you up out of Egypt with mighty power and outstretched arm, is the one you must worship. To him you shall bow down and to him offer sacrifices.