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The Protmex 21V is a 1/2-inch cordless impact wrench rated at up to 1107 ft-lbs, sold as a kit with two 21V 4000mAh batteries, a charger, four deep sockets, an extension bar and a hard case. It has adjustable speed, forward/reverse and an auto-stop function to limit over-tightening. The high torque figure puts it in the class of corded and premium cordless impact guns for lug nuts, at the cost of a bulky 4.1 lb body and a heavy kit. It suits mechanics and DIY owners working on cars, SUVs, trucks and trailers who want cordless freedom without a premium brand.
In stockSold by ProtmexReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Availability unknown
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Lowest price we've seen: $75.99 on Nov 13 at Amazon. Tracked across 1 store since Nov 13.
This is a 21V cordless impact wrench with a 1/2 inch drive. It produces up to 1107 ft-lbs of torque and is meant for stuck, rusted lug nuts on cars, SUVs, trucks and trailers. It is also used for tire changes, steel assembly, farm machinery repair and other heavy fastening work.
The outer casing is shock resistant ABS plastic with a soft, anti-slip rubber grip. Inside, the transmission uses forged steel gears and spindle. The body is bright red with a dark gray motor housing, and the metal components have an anti-rust coating.
Speed control is adjustable. A forward/reverse switch and an auto stop function help avoid over-tightening bolts. The cordless design means no power cord to manage. The kit includes two batteries, a charging dock, sockets, an extension bar and a hard storage case.
