Set Includes: ATD-4036 - 8 oz. Ball Pein Hammer - Overall length 11"; ATD-4037 - 12 oz. Ball Pein Hammer - Overall length 11-3/4"; ATD-4038 - 16 oz. Ball Pein Hammer - Overall length 11-3/4"; ATD-4039 - 24 oz. Ball Pein Hammer - Overall length 12-3/4"; ATD-4040 - 32 oz. Ball Pein Hammer - Overall length 14-1/8"