SKIL PWR CORE 20 IW6739B-10 20V Brushless 3/8-Inch Impact Wrench Kit

1 / 7

Product guide

SKIL PWR CORE 20 IW6739B-10 20V Brushless 3/8-Inch Impact Wrench Kit

The SKIL PWR CORE 20 IW6739B-10 is a compact 20V brushless impact wrench kit with a 3/8-inch square anvil, three speed settings, and a Halo light. Its listed torque claims differ between sections, so check the specification note before comparing it with other wrenches.

At a glance

Three speed choices allow lower-speed work for control and higher-speed operation when more power is needed.
The 3/8-inch square friction-ring anvil is designed for quick socket changes.
Halo light is claimed to reduce shadows and illuminate the work area for up to 10 minutes.
The listed 2.0Ah battery supports PWR ASSIST mobile charging through a USB port. The charger is claimed to bring it from empty to 25% in five minutes.

Price

$119.00Save 21%

Reference price: ~~$149.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

CASOMAN 3/8" Drive Impact Socket Set, 49 Piece Standard SAE and Metric Sizes (5/16-Inch to 3/4-Inch and 8-22 mm), 6 Point, Cr-V Steel Socket Set

$39.97

Pros and cons

Pros

Compact 4.8-inch listed length can suit overhead work and tighter access than a larger wrench.
A 3/8-inch friction-ring anvil and three speed settings offer useful socket-change convenience and operating control.
The kit contents list a 2.0Ah battery and PWR Jump charger alongside the tool.

Cons

The included battery is 2.0Ah, which may be limiting for buyers expecting extended work between charges.

Technical specifications

17 specifications

Identity
Brand	Skil
Model	IW6739B-10

Drive and performance
Voltage	20 volts
Anvil size	3/8 in
Anvil type	Friction ring
Fastening torque	170 ft-lbs
Nut-busting torque	220 ft-lbs
No-load speed	1,500/2,250/2,850 RPM
Maximum impact rate	2,100/3,400/3,950 IPM

Size and materials
Tool length	4.8 inches
Tool weight	1.98 lb
Material listed	Plastic
Color	Red

Features
Motor	Digital brushless motor
Speed control	Variable speed switch
Electric brake	Yes
Gearbox	Metal

What to know before buying

Listing details to confirm

Torque specifications are inconsistent across the listing. One feature claim gives up to 150 ft. lbs, while other manufacturer sections state 170 ft-lbs fastening torque and 220 ft-lbs nut-busting torque. Treat these as listing claims, not verified performance, and confirm which figures apply before purchase. The claimed five-minute charge is specifically from 0% to 25% for a 2.0Ah battery, and the Halo light claim is for up to 10 minutes.

What’s in the box

Included

Impact wrench
2.0Ah PWR CORE 20 battery with PWR ASSIST mobile charging
Power adapter
Belt clip

Who is it for?

A good fit for

DIYers and mechanics seeking a compact cordless wrench for fasteners that suit a 3/8-inch drive.
Buyers who want three speed settings, a work light, and a battery and charger in the listed kit.

Less suited to

Those who need a 1/2-inch drive or confirmed high torque for heavy-duty fasteners.
Buyers who require a larger-capacity battery for long sessions without charging.

SKIL PWR CORE 20 IW6739B-10 20V Brushless 3/8-Inch Impact Wrench Kit · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 102 ratings

5 stars73%73%
4 stars13%13%
3 stars7%7%
2 stars3%3%
1 star4%4%

Customer feedback describes the wrench as powerful and functional, with positive comments about build quality, battery charging, and loosening nuts. That reported experience is relevant to its stated compact 3/8-inch drive and included 2.0Ah battery, though it does not resolve the listing’s conflicting torque figures. Aggregate ratings lean positive but include lower-star ratings, so experiences are not uniformly favorable.

Positive themes

Customers report strong power and useful functionality.
Feedback highlights quality and fast battery charging.

Frequently asked questions

What comes with this impact wrench kit?

The manufacturer’s explicit contents list names the impact wrench, a 2.0Ah PWR CORE 20 battery with PWR ASSIST mobile charging, an Auto PWRJump charger, and a belt clip.

What torque does the wrench provide?

The listing is inconsistent: it gives a 150 ft. lbs claim in one feature and 170 ft-lbs fastening torque plus 220 ft-lbs nut-busting torque elsewhere. Confirm the applicable figures before relying on them.

Does the kit include a battery and charger?

Yes. The listed kit contents include one 2.0Ah battery and one PWRJump charger.

What does the five-minute charging claim mean?

The listing describes charging a 2.0Ah battery from 0% to 25% in five minutes. It does not claim a full charge in that time.