POWER OF ATTORNEY


	Know all persons by these presents that the undersigned hereby
constitutes and appoints Janet M. Link and Kathryn P. Sherer the
undersigned?s true and lawful attorney-in-fact to:

(1) 	prepare, execute in the undersigned?s name and on the undersigned?s
behalf, and submit to the U.S. Securities and Exchange Commission (the ?SEC?)
a Form ID, including amendments thereto, and any other documents necessary or
appropriate to obtain codes and passwords enabling the undersigned to make
electronic filings with the SEC of reports required by Section 16(a) of the
Securities Exchange Act of 1934 or any rule or regulation of the SEC;

(2) 	execute for and on behalf of the undersigned, in the undersigned?s
capacity as an officer and/or director of Stanley Black & Decker, Inc. (the
?Company?), Forms 3, 4, and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder, and any other forms
or reports the undersigned may be required to file in connection with the
undersigned?s ownership, acquisition, or disposition of securities of the
Company;

(3) 	do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such Form 3,
4, or 5, or other form or report, and timely file such form or report with the
SEC and any stock exchange or similar authority; and

(4) 	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it
being understood that the documents executed by such attorney-in-fact on
behalf of the undersigned pursuant to this Power of Attorney shall be in such
form and shall contain such terms and conditions as such attorney-in fact may
approve in such attorney-in-fact?s discretion.

	The undersigned hereby grants to such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and
powers herein granted, as fully to all intents and purposes as the undersigned
might or could do if personally present, with full power of substitution or
revocation, hereby ratifying and confirming all that such attorney-in-fact, or
such attorney-in-fact?s substitute or substitutes, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers
herein granted. The undersigned acknowledges that the foregoing attorneys-in-
fact, in serving in such capacity at the request of undersigned, are not
assuming, nor is the Company assuming, any of the undersigned?s
responsibilities to comply with Section 16 of the Securities Exchange Act of
1934.

	This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to
the undersigned?s holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorney-in-fact.

	IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 31 day of July, 2017.


				/s/ Robert L. Ryan

			        Robert L. Ryan