Home Slickdeals Harbor Freight Labor Day Sale: Any Single Item Coupon 25% Off (Exclusions... Slickdeals Harbor Freight Labor Day Sale: Any Single Item Coupon 25% Off (Exclusions Apply; Valid thru 9/4) By ARCOM - 3 September 2023 34 0 SHARE Facebook Twitter Go to the deal page: Harbor Freight Labor Day Sale: Any Single Item Coupon 25% Off (Exclusions Apply; Valid thru 9/4)