Best Cordless Impact Wrench of 2021: (See our Top 7 Picks)- what is the best cordless 1/2 inch impact wrench ,14/2/2020· Makita has built a good reputation over the decades. They continue to rank among the top power tool manufacturers in the world. This 1/2 cordless impact wrench kit is a solid entry into this category. The torque may not be the highest out there but it is still5 Best Impact Wrenches - July 2021 - BestReviewsSmall, inline impact wrenches from a reputable brand cost around $100. Pistol air tools range between $100 and $200; extremely heavy-duty models may cost a bit more. Cordless impact wrenches sit at the top the pile in terms of price. Expect to pay $250 for a good cordless impact wrench and $400+ for the best.