The No.02 is our smallest folding knife (since the discontinuation of the No.01 in the 1930&';s). Small in stature, but highly efficient, the keychain version of the No.02 follows you everywhere. This tiny knife is excellent for small tasks like opening letters or cutting papers. Blade Length - 1.36 inches Steel - Stainless Overall Length - 3.25 Inches Weight - 0.18 oz