SCORE FREE TOOLS : Shop the Lowe's Craftsman Days sale to save up to $300 on Craftsman riding lawn mowers, push mower, tools, and more. Buy a Craftsman V20+ battery starter kit and get a free bare tool worth up to $140. save up to $300 and get BOGO tools Need to upgrade some tools before diving into summer projects? Now's a great time to consider what you'll need to tackle home and yard projects. In addition to Home Depot's Ryobi Days sale , check out the Lowe's Craftsman event. Lowe's is hosting the Craftsman Days sale which sees major discounts across Craftsman items like lawn mowers, power tools, storage systems, and more. One of the best offers is Lowe's deal to buy the Craftsman V20 battery pack with charger for $99 and get a free Craftsman tool worth up to $139. Mashable Trend Report Lowe's is going all-in on the Craftsman deals this year, making it possible to snag nearly anything you might need at a discount.…