How to type in exact row and column width in a spreadsheet?

Hello

I'm trying to create a spreadsheet with a grid that has the same row and column width. I'm almost there but I'm struggling a little with making the width for the row exactly what I have for the column. It's seems like I have to drag the pointer in order to get the width and it skips over the number I'm trying to make it. Is there an easy way to just type in the property of the width instead of using the pointer ?