110 should work for your height. My wife is 5'6" and uses the 110s.
Here is a good way to estimate the size you may need.
1. Stand straight with arms at your side.
2. Bend your elbow at a 90 degree angle.
3. Have someone measure the distance from your palm to the floor.
This will give you an approximate length that you could use.
I belive the 110