It depends on various factors, including what kind of writing you do most frequently and your personal style. A medium nib is recommended for everyday writing. A fine nib is preferable if your handwriting is small, you work with numbers or draw. Some individuals prefer a broad nib for signatures and bold writing. We recommend you start out with a medium nib. Keep in mind, there are no standards among manufacturers. If in doubt, consult PenFAQ.com.