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TONE GNR-121E Electric Torque Wrench

The GNR-121E is a great mid-range square-drive nut runner featuring clockwise and counterclockwise directions, a torque setting dial, and LED indicator lights.

Fully Tensioned Structural Bolts: 

A325 – 3/4″, 7/8″, 1″

A325M – M20, M22, M24

A490 – 3/4″, 7/8″

A490M – M20, M22

Adjustable Torque Range: 

360–900 ft-lb. / 490–1220 N-m

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Voltage 110-120 V 220-230 V
Maximum Current 18.0 A 9.0 A
Maximum Power Consumption 1,900 W 1,900 W
Adjustable Torque Range 360~900 ft-lb. 490~1,220 N-m
No-load Speed 16 rpm 16 rpm
Square Drive Size 1″ drive 1″ drive
Repeated Accuracy ±5% ±5%
Tool Weight 16.1 lb. 7.3 kg
Shipping Weight 35 lb. 15.9 kg

Available Accessories

  • X-Holder Extension 100mm (3-7/8″)
  • Digital Torque Meter DTM 12
  • 1” (25.4mm) Square-Drive Sockets
  • Bar Sockets


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  • GWY has been a great company to work with. My company requires receipts for all credit card purchases and GWY has made this very easy. With rental equipment this usually isn't the easiest to deal with but they have made this process very smooth. I get a weekly receipt emailed to me without having to ask for it. They also have great customer service and are very helpful and friendly. Would definitely recommend.”

  • GWY’s parts inventory and response is top notch. You can expect prompt, respectful, knowledgeable answers to questions and full cooperation when you need it. Truly a mark of a reputable company with a good team.”


Is there a warranty on your tools?

1-year manufacturers defect warranty on new tools.

What is the lead time on getting this tool to me?

If we have it in stock, we can send it next day air within the US to get to you tomorrow.

Does the tool come with anything?

All of our tools come with a case.  Our Turn-of-Nut & Shear Wrenches come with the one size socket and a metal case.  The cordless tools come with one or two batteries, a charger, and a case.