ILLINOIS TOOL WORKS INC — Director's Dealing 2005

Dec 19, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ILLINOIS TOOL WORKS INC (ITW)
CIK: 0000049826
Period of Report: 2005-12-16

Reporting Person: MCCORMACK ROBERT C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-12-16	Common Stock	S	43000	$90.2184	Disposed	4046559	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3520952	Indirect
Common Stock	900	Direct

Footnotes

F1: Shares held in trusts of which the Reporting Person is a co-trustee and in which a member of his immediate family (adult not living in his household) has a pecuniary interest. The Reporting Person disclaims beneficial ownership of these shares.

F2: Shares held in trusts of which the Reporting Person is a co-trustee and has a pecuniary interest.