This DeWalt Xtreme ratchet wrench is $99 at Lowe's.  That's a $20 low.  Shipping is free.  Deal ends November 4th. Buy Now at Lowe's

At $159, this Ryobi impact wrench kit is $110 off its regular price and comes with a 4.0 Ah battery and charger included. Shipping is free.  Buy Now at Home Depot

At Amazon, clip the on-page coupon to get the WorkPro 20V 440 ft-lb 1/2" Cordless Impact Wrench for $70. It's the best price Amazon has charged for this model. It comes as a full kit with a 4.0Ah battery, four impact sockets, a belt clip, and a storage bag, and the battery doubles as a Type-C power bank for charging phones and other USB devices. Buy Now at Amazon

Amazon offers the Greenworks 24V Cordless Impact Driver Kit for $51.99 when you clip the coupon.  That's its best-ever price.  Shipping is free. Buy Now at Amazon

Lowe's offers the DeWalt XTreme 12V Max 3/8" Drive Cordless Ratchet Wrench for $99.  That's a $100 low.  Shipping is free.  Deal ends November 4th. Buy Now at Lowe's

This Craftsman V20 Brushless Compact Impact Driver Kit is $40 off its regular price of $119. It's the best price we could find and the lowest it's been this year at Amazon. The kit includes a charger and a 2.0Ah battery along with the driver, which has a compact 5.02" head for working in tight spaces and up to 1000 in-lb of torque. It ships for free.  Buy Now at Amazon

This Greenworks 24V impact wrench is $69.99 at Amazon. That's $30 off and matches its all-time low price on Amazon. It comes with a 2.0Ah battery and charger included, so there's nothing extra to buy to start using it. The brushless motor delivers 150 ft-lb. of torque, and the tool is lighter and more compact than the previous Greenworks version. Free shipping applies.  Buy Now at Amazon

We've pictured the Craftsman CMCF911B, a 3/8" cordless impact wrench with 165 ft-lb. of max torque, now $99, down from $149. It's tool only, so a battery and charger will need to be already possessed or else purchased separately. A hog ring anvil allows for quick socket changes, and a built-in LED worklight helps with visibility in tight spaces. You'd pay $149 elsewhere. Free shipping applies.  Buy Now at Amazon

Lowe's offers the Craftsman 20V Cordless Ratchet Wrench for $99 for a $60 savings.  Shipping is free.  Deal ends October 28th. Buy Now at Lowe's

Mechanics and DIYers working with larger fasteners will get the most use out of this set, since 3/4-inch drive hex bits are built for high-torque jobs that smaller sets can't handle. It's a solid pick if your impact wrench already takes 3/4-inch drive attachments and you need SAE sizes on hand. Buy Now at Home Depot

This one suits anyone tackling car repairs or lug nuts without hauling out a corded compressor, since the brushless motor gives you more torque per charge than standard drills, and it's $5 off the list price at Walmart. Buy Now at Walmart

This one's suited for anyone tackling car repairs, lug nuts, or heavy fastening jobs around the garage, with 740 ft-lb of torque and no cord to deal with. At $55, that's $144 off the $199 list price. Buy Now at Walmart

Update: The price has dropped to $38.69 since this was originally published.

Built for stubborn lug nuts and bolts, this impact wrench suits anyone doing their own tire changes or auto work without needing an air compressor, and the two-battery setup means you're not stuck waiting mid-job. Walmart has it for $42.11, which is $32.88 off the $74.99 list price. Buy Now at Walmart

Built for mechanics or DIYers who need real torque for lug nuts and stuck bolts without the weight of a steel housing, this composite-body impact wrench cuts fatigue on longer jobs. At $129.01, that's $40.11 off the $169.12 list price. Buy Now at Amazon

Anyone working in tight engine bays or cramped under-cabinet spots will appreciate the right-angle design here, since it gets into spots a standard impact wrench can't reach. The M12 FUEL brushless motor keeps it compact and lighter than full-size impacts while still handling most automotive and light fastening jobs. Buy Now at Home Depot

Home Depot has the Hilti 22V Nuron SIW 8 ½-Inch Cordless Brushless Impact Wrench for anyone doing regular automotive or heavy equipment work who needs enough torque to break loose stubborn lug nuts and fasteners without dragging out an air compressor. The brushless motor and Nuron battery platform also mean it holds up to daily job site use better than typical consumer-grade impact wrenches. Buy Now at Home Depot

Tradespeople who need serious torque without dragging an air compressor around will get the most out of this one, especially on heavy lug nuts or stuck fasteners. The Nuron battery platform also means it shares power sources with other Hilti 22V tools, so it's worth a look if you're already building out that ecosystem. Buy Now at Home Depot

This two-piece kit covers both heavy-duty bolt removal and tighter, confined-space work, making it a reasonable pick for anyone tackling automotive or garage projects without buying separate tools. At $72, that's $18 off the $90 list price. Buy Now at Amazon

Your toolkit could use this if you're constantly swapping bits mid-project and want something that handles tougher fastening jobs without stalling out or stripping screws. Buy Now at Amazon