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Irwin 1794157 150T Magnetic Toolbox Level, Aluminum, 12-Inch
The Irwin 1794157 150T Magnetic Toolbox Level is a 12-inch leveling tool engineered for steel construction and general jobsite use. Built with a heavy-duty aluminum frame and a composite body for added durability, this toolbox level is designed to withstand the daily wear and tear of professional work. A V-groove edge along the bottom of the frame allows the tool to sit securely on round pipe for fast, accurate leveling, while a locking dial vial makes it easy to read angles without the vial shifting mid-reading. Rare earth magnets built into the frame are 5 times stronger than standard strip magnets, giving tradespeople a secure, hands-free way to mount the level directly to steel beams, studs, and other ferrous surfaces while they work.
Key Features
- Compact 12-Inch Size: Sized to fit easily in a toolbox or tool bag, making it convenient to carry to and from the jobsite.
- Durable Aluminum & Composite Construction: A heavy-duty aluminum frame paired with a composite body stands up to daily use and rough handling on active job sites.
- V-Groove Edge: The V-groove edge is designed for leveling pipe, making the job easier and quicker than a standard flat-edge level.
- Locking Dial Vial: The dial vial locks in place, allowing for easier, more precise reading of angles once the level is positioned.
- Rare Earth Magnets: Integrated rare earth magnets are 5 times stronger than strip magnets, allowing for easy, hands-free steel construction work without holding the tool in place.
- Laser Reference Rating: Rated Class 2, ≤1.5mW @ 510-530nm.
Technical Specifications
- Warranty: LLW
- Country of Origin: China
- Power Source: Non-Energy Using
Typical Applications
- Steel Construction and Structural Framing
- Pipe Installation and Leveling
- General Contractor and Tradesperson Toolboxes
- Jobsite Layout and Angle Verification
- Welding and Metal Fabrication Work
Why Irwin?
Irwin engineers the 150T Magnetic Toolbox Level with a heavy-duty aluminum frame and composite body so it can hold up to the demands of daily professional use. The rare earth magnets deliver 5 times the holding strength of standard strip magnets, freeing up both hands for steel construction work, while the V-groove edge and locking dial vial combine to make leveling pipe and reading angles faster and more accurate. Compact enough to travel in a toolbox at just 12 inches, the Irwin 150T is built to be a dependable, go-to leveling tool for contractors, electricians, and tradespeople who need consistent, repeatable results on every job.
Manufacturer Resources
Product Specs
- list_batch:
- IRW-20260923
- Product Type:
- Level
- Department:
- Electrical
- Product Subgroup:
- Measuring Tools
- Product Material:
- Aluminum
- Product Group:
- Hand Tools
Irwin 1794157 – Frequently Asked Questions
1) Will the Irwin 150T magnetic level hold itself on a steel beam or stud without being held?
Yes. The Irwin 1794157 150T has rare earth magnets built into the frame rather than a glued-on strip, and Irwin rates them at 5 times the holding strength of standard strip magnets. That is enough to park it on a steel beam, stud, or any ferrous surface and work with both hands free. On non-ferrous material (aluminum stud, wood, PVC) the magnets do nothing and you hold it like any other level.
2) Can I level round pipe with the Irwin 150T, or do I need a dedicated pipe level?
It handles pipe. The bottom of the frame on the 150T has a V-groove edge that seats on round stock so the level sits centered and does not roll off, which is the same reason plumbers reach for a pipe level. Combined with the magnets it will stay put on steel pipe on its own. For large-diameter or non-ferrous pipe you will still want to steady it by hand.
3) Is a 12-inch torpedo-style level long enough for framing and layout work?
A 12-inch level like the Irwin 150T is a toolbox tool, meant for pipe runs, conduit, boxes, brackets, short steel members, and quick angle checks in tight bays. It fits in a bag or box and travels. For plumbing a full stud wall, setting door frames, or screeding, you want a 24-inch or 48-inch I-beam or box level instead; a 12 inch spans too little to catch bow over a long run.
4) What does the locking dial vial on the Irwin 150T actually do for me?
It lets you read and hold an angle, not just level and plumb. The dial vial on the 150T rotates to the pitch you are setting and locks there, so the vial will not drift while you move the level or climb a ladder. That is what makes it useful for setting conduit pitch, drain slope, or verifying an angle on a fabricated piece rather than only checking true level.
5) What part number do I order for the Irwin 150T magnetic toolbox level?
Order Irwin 1794157. That is the 12-inch 150T magnetic toolbox level with the aluminum frame, V-groove edge, and locking dial vial. One configuration, so there is no size or finish to specify.
6) Is the Irwin 1794157 level metal or plastic, and will it survive a drop on a jobsite?
Frame material is aluminum, with a composite body over it. The aluminum carries the reference edges so they stay straight, and the composite takes the knocks and abrasion of daily handling. It is built as a working trade level, not a cased precision instrument.
7) Does the Irwin 150T magnetic level need batteries, and does it project a laser line?
No batteries. The 150T is a non-energy-using tool that reads off vials only. Irwin does publish a laser reference rating of Class 2, 1.5mW or less at 510 to 530nm on the 150T, so if you are buying strictly for a projected line, confirm you are ordering the laser configuration and not the plain vial level.
8) Is this Irwin level suitable for standardizing electricians' tool kits across a crew?
It fits that role. The 150T is catalogued for electrical work, is a single part number (1794157) so every kit gets the identical tool, and the magnets plus V-groove cover the two things an electrician does most with a short level: hanging off strut and steel studs hands-free, and pitching conduit. Country of origin is China if that matters to your purchasing documentation.
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Does the Irwin 1794157 come with a warranty?
Absolutely. The Irwin 1794157 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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