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Product guide

Rivlox GJ25901-1UK Cordless Impact Wrench, 1/2-inch, 800 N·m

The Rivlox GJ25901-1UK cordless impact wrench is listed with an 800 N·m torque claim, a brushless motor and three speed settings. Its reverse auto-stop and LED are intended to help with loosening and visibility, while customer feedback is mixed on power and torque in practice.

At a glance

  • Three listed speeds: 1500, 1800 and 2300 rpm.
  • Reverse auto-stop is described as reducing speed and torque after a fastener loosens.
  • An LED is claimed to illuminate the work area when the tool is activated.
  • The listing describes a non-slip rubber handle.
Price
£50.99Save 15%

Reference price: £59.99

Price checked: 14 Nov 2026

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Often bought together

Pros and cons

Pros

  • Three speed settings and forward/reverse operation provide control for tightening and loosening.
  • The listed reverse auto-stop may help prevent loosened fasteners from spinning away.
  • The claimed LED and non-slip grip are useful features for work in dim or cramped areas.

Technical specifications

17 specifications
Identity
BrandRivlox
ModelGJ25901-1UK
DriveSquare Drive
Listed torque800 Newton Meters
Operation modeBattery
Voltage21 Volts
Measurement standardMetric, SAE
Performance and controls
Speed settingsLow speed (1500 rpm), medium speed (1800 rpm), high speed (2300 rpm)
Motor typeBrushless
DirectionForward and reverse
Reverse featureReverse auto stop
Dimensions and installation
Length38.5 Centimetres
Weight listed4.2 Kilograms
Jaw capacity0.5 Inches
Spanner wrench hook depth0.25 Inches
Materials and appearance
Material listedMetal
ColourRed and Black

What to know before buying

Listing details to confirm

The listing gives an 800 N·m torque claim, but customer feedback is mixed: some report strong performance while others say it is weaker than advertised, including one report that it could not loosen lug nuts at 129 foot-pounds. Treat the figure as a listing claim, not a guaranteed result. Kit contents are contradictory: the explicit included-components field names only the impact wrench, while the title and feature text claim two 4.0Ah batteries, charger, sockets, bits and a case. Confirm the selected listing's package contents before buying.

What’s in the box

  • Cordless impact wrenchIncluded
  • 2 × 4.0Ah batteriesCheck selected pack
  • Fast chargerCheck selected pack
  • 5 impact sockets (17, 18, 19, 21 and 22 mm)Check selected pack
  • 4 bit socketsCheck selected pack
  • 6 bitsCheck selected pack
  • User manualCheck selected pack
  • Carrying caseCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

  • Drivers or DIY users seeking a cordless 1/2-inch impact wrench with three speed settings and reverse operation.
  • Buyers who want an LED work light and a reverse stop feature for loosening fasteners.

Less suited to

  • Buyers who need dependable, verified torque for especially tight wheel nuts or other demanding fasteners.
  • Anyone relying on the advertised batteries, charger, sockets, bits or case being included without confirmation.
Rivlox GJ25901-1UK Cordless Impact Wrench, 1/2-inch, 800 N·m · photo 2
Additional product photo 2

Customer reviews on Amazon

3.9 / 5 · 236 ratings
  • 5 stars57%57%
  • 4 stars18%18%
  • 3 stars7%7%
  • 2 stars2%2%
  • 1 star16%16%

Customer feedback highlights perceived good quality, value and battery life, with some users appreciating the impact function for wheel nuts and tightening. Reports of power and torque are mixed, ranging from handling 4x4 wheel nuts to failing to loosen lug nuts at 129 foot-pounds. For buyers considering the listing's 800 Newton Meters claim, that variation makes demanding fastener work a use case to approach cautiously.

Positive themes

  • Customers describe the wrench as good quality and good value.
  • Some customers report battery life lasting a good while and appreciate the impact function.

Negative themes

  • Some customers say the wrench is less powerful than advertised, with one reporting it could not loosen lug nuts at 129 foot-pounds.

Mixed feedback

  • Reported torque performance varies, with feedback including both success on 4x4 wheel nuts and difficulty loosening lug nuts.

Frequently asked questions

What torque does the Rivlox GJ25901-1UK claim?

The listing claims 800 Newton Meters. Customer feedback reports mixed power and torque performance, so this should not be treated as a guaranteed working result.

What speed settings are listed?

The listing gives low speed (1500 rpm), medium speed (1800 rpm) and high speed (2300 rpm).

Are batteries and accessories definitely included?

The title and feature text claim two 4.0Ah batteries, a charger, sockets, bits and a carrying case, but the explicit included-components field lists only the cordless impact wrench. Confirm the kit contents for the selected listing.

Does it have a light and reverse stop?

The listing claims an LED that activates with the tool and a reverse auto-stop feature that reduces speed and torque after loosening.

Rivlox GJ25901-1UK Cordless Impact Wrench, 1/2-inch, 800 N·m · photo 3
Additional product photo 3

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