How to make a TextMeshPro Object perfectly fit his RectTransform's height ?

Hello everyone,

I have a 3D Object TextMeshPro in my scene. I would like my text to fit perfectly it's RectTransform's height. I checked the "autosize" box, but I still have spaces on the top and the bottom of my text, like this :

I understand that the font actually fit, because the Rectransform is just under the yellow line which is related to the fontsize, but I would like the orange line of the letter to fit the RectTransform's height. Do you know how to do this ?

Here are my actual settings for this text :

Thank you for your help !