Description
Klein 50901R Straight Locknut Wrench Set – 1/2″, 3/4″ and 1″
Fast, Secure Locknut Tightening for Electrical Boxes, Panels & Conduit Work
The Klein Tools 50901R Straight Locknut Wrench Set is engineered to simplify one of the most frustrating electrical tasks: tightening locknuts inside crowded junction boxes, panel boards, enclosures, and tight conduit connections. Designed specifically for electricians, this set includes 1/2″, 3/4″, and 1″ straight-pattern wrenches, offering secure reach and torque without slipping or damaging locknuts.
Unlike makeshift tools or pliers, these precision-shaped locknut wrenches are built to fit perfectly, helping you tighten or loosen locknuts cleanly—even in narrow or awkward spaces where standard tools fail.
Features & Benefits
✔ Purpose-Built for Locknuts
Precisely machined to match the profile of standard electrical locknuts, delivering a secure grip that prevents slippage and rounding.
✔ Three Essential Sizes Included
Covers the most common conduit sizes used by electricians:
-
1/2″
-
3/4″
-
1″
✔ Straight Design for Tight, Confined Spaces
Reaches into junction boxes, breaker panels, and conduit fittings where angled or bulky tools can’t fit.
✔ Reinforced Steel Construction
Durable, jobsite-tough alloy steel provides long life and resists bending under torque.
✔ Slim Profile for Maximum Accessibility
Allows electricians to work between wires, access tight knockouts, and tighten locknuts without removing nearby components.
✔ Easy-to-Identify Size Markings
Each wrench is clearly stamped for quick selection on the job.
✔ A Must-Have for Electrical Installations
Ideal for EMT, rigid conduit, communication cabling, and commercial/industrial electrical work.
Specifications
| Specification | Detail |
|---|---|
| Brand | Klein Tools |
| Model | 50901R |
| Type | Straight Locknut Wrench Set |
| Included Sizes | 1/2″, 3/4″, 1″ |
| Material | High-strength alloy steel |
| Finish | Corrosion-resistant coating |
| Design | Straight, slim, precision-shaped locknut ends |
| Applications | Tightening/loosening electrical locknuts in boxes, panels, and conduit connections |
| Ideal Users | Electricians, maintenance techs, installers, HVAC, low-voltage contractors |
FAQ – Frequently Asked Questions
1. What are these locknuts wrenches used for?
They are designed specifically for tightening or loosening locknuts on conduit fittings inside junction boxes, breaker panels, and electrical enclosures.
2. Why choose these over pliers or adjustable wrenches?
Standard pliers often slip, damage locknuts, or can’t fit inside boxes. Klein locknut wrenches are precision-shaped to grip securely and work in tight spaces.
3. Are these wrenches suitable for EMT, rigid, or metal conduit?
Yes. They are compatible with standard locknuts used on EMT, rigid, and other metallic conduit systems.
4. Do the grips have insulation?
No. This set is not insulated and must not be used on live electrical circuits.
5. Are the wrenches straight or offset?
This set features straight-pattern wrenches, ideal for narrow or obstructed spaces.
6. Are the wrenches magnetic?
No, they are not magnetic designed simply for mechanical locknut engagement and torque.
