Home Slickdeals Harbor Freight Coupon: All Items Under $10 (Online or In-Store) 30% Off... Slickdeals Harbor Freight Coupon: All Items Under $10 (Online or In-Store) 30% Off (valid thru 06/30) By ARCOM - 28 June 2024 22 0 SHARE Facebook Twitter Go to the deal page: Harbor Freight Coupon: All Items Under $10 (Online or In-Store) 30% Off (valid thru 06/30)