We sell units in meters and centimeters means we sell in decimals. (Example standard shirt cloth for adult needs to 1.5 mtrs to 1.8 mtrs depend on their physique). If we would like to create a promotion for 1.5 mtrs to 1.8 mtrs slab than ginesys is not allowing to do.
As per our present architecture, we cannot implement this right now. We appreciate your effort, Keep posting your Idea.