Parts/Tools & workshop/Hand tools & drivers/ProTek RC "TruTorque SL" Metric Nut Driver (4.0mm)
ProTek RC "TruTorque SL" Metric Nut Driver (4.0mm)
ProTek RC

ProTek RC "TruTorque SL" Metric Nut Driver (4.0mm)

Part # PTK-84194.5(2)
Where to buy
$12.99
AMain Hobbies
Seen Oct 12, 2026
$12.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

The ProTek R/C "TruTorque SL" 4.0mm Metric Nut Driver features a large 20mm diameter handle with machined relief holes and cross hatch knurling to reduce weight and provide a high grip surface. The end of the handle features a rotating end cap that allows the tool to spin in your palm, maximizing comfort during long wrench sessions. Plus, the tip size is laser etched in not one - but the THREE different spots on the handle to help simplify identification. The precision cut tool steel tips provide an exceptional fit with the fastener, and feature a bronze colored finish that not only looks good, but also helps to protect the steel from corrosion. 

ProTek R/C has raised the bar again, with investment grade tools that will outlast the life of the model you are working on...and remain with you for years after. Grab a set and see why TruTorque tools are used and trusted by professionals and weekend warriors around the world. 

 

Features:    

  • CNC machined knurled aluminum handle with relief holes
  • Rotating aluminum end cap
  • Durable, precision cut, 80mm long Tool Steel tip
  • Tip size is etched in three places on the handle for easy identification

Includes:    

  • (1) 4.0mm Nut Driver

Click Here For Warranty Information 

CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

Reviews4.5 · 2 reviews

Anthony HoganVerified owneron ProTek RC "TruTorque SL" Metric Nut Driver (4.0mm)

I order a hex wrench set, a nut driver set and this individual add on nut driver recently. These tools look amazing and are designed well with one minor exception. The rotating cap on 3 out of 4 tools in the hex wrench kit and this nut driver I received were binding and grinding. I removed the rotating cap, reset the silver retaining ring in the appropriate groove and smoothed any cut areas beneath the cap. I then lightly greased the inside groove, retaining ring and underside of the rotating cap. It now rotates smoothly and quietly without any binding. I performed this procedure on all my Protek SL tools and am very satisfied with the final result. I am an admitted tool addict and am constantly searching for the BEST, spare no expense. I plan to order more!

1 found this helpful
Matthew TaylorVerified owneron ProTek RC "TruTorque SL" Metric Nut Driver (4.0mm)

I gave this 5 stars because I couldn’t give it 10. These Protek tools are top notch. I now have the whole set. Haven’t had a single stripped screw since I bought them, (knocks on wood) and they feel great in the hand.

1 found this helpful

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