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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                               ------------------

                                    FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

         Date of report (date of earliest event reported): July 9, 2008

                             ACME UNITED CORPORATION
             (Exact name of registrant as specified in its charter)

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          Connecticut                    001-07698              06-0236700
(State or other jurisdiction of         (Commission          (I.R.S. Employer
 incorporation or organization)         file number)        Identification No.)


60 Round Hill Road, Fairfield, Connecticut                        06824
 (Address of principal executive offices)                       (Zip Code)

       Registrant's telephone number, including area code: (203) 254-6060

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[_]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)

[_]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
     (17 CFR 240.14a-12)

[_]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[_]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

                                       (1)


ITEM 7.01.  REGULATION FD DISCLOSURE.

On July 9, 2008, Acme United Corporation (the "Company") issued a press release
providing an update to its business outlook for the period ended June 30, 2008.
A copy of the press release is attached as Exhibit 99.1 to this current report.


ITEM 9.01.  FINANCIAL STATEMENTS AND EXHIBITS.

(c)  Exhibits

Exhibit Number             Description
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99.1                       Press release dated July 9, 2008.




                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


ACME UNITED CORPORATION

By          /s/ WALTER C. JOHNSEN
         ------------------------------
                Walter C. Johnsen
                  Chairman and
             Chief Executive Officer

Dated:  July 9, 2008



By          /s/ PAUL G. DRISCOLL
         ------------------------------
                Paul G. Driscoll
               Vice President and
              Chief Financial Officer

Dated:  July 9, 2008

                                      (2)


EXHIBIT INDEX


     Exhibit Number              Description
     --------------              -----------
     99.1                        Press release dated July 9, 2008.



                                      (3)