Today, Jan 3, 2021, Harbor Freight is offering 25% Off any single item when you used the coupon code:38181915 for online purchase and this printable coupon for in-store purchase. This is 5% more than their usual 20% off coupon they normally offer. Some exclusion apply. For in-store purchases, you can just show the cashier the coupon on your phone for them to scan. [Store Locator]