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Johnson 24 in. Aluminum Heavy Duty Box Level 3 vial

Three vials and 0.5 mm/m accuracy in a rigid boxed aluminum frame that won't twist on you mid-job.
Johnson MPN 9950-2400 In Stock & Ready to Ship
$109.98
$54.99 each · sold by the case of 2 Free shipping on orders over $75
Ships within 24 hours · most orders arrive in about 2 business days
Cases of 2 · Order in multiples of 2

Sold by the Case

$109.98 per case of 2

Save $16.50 on orders $75+. Spend $75 or more to unlock 15% off every case — applied automatically at checkout. Free shipping at $75.

Ships as a complete case of 2. Free shipping on orders $75 and up.

About Product Overview

The box-style frame on this Johnson level isn't just for looks—that boxed aluminum construction resists twisting and flexing along its full 24-inch length, so what you set is what you get, whether you're squaring up a door frame or running a ledger board for a deck. Three vials cover level, plumb, and 45-degree work, so you can move from horizontal to vertical to angled checks without switching tools. At 0.5 mm/m, the accuracy is tight enough for finish carpentry, cabinet installs, and tile work where a few degrees of drift ruins the job. It's a heavy-duty tool built for job site use, not a bargain-bin straightedge that warps in a truck bed. No magnetic base on this one, so it's best suited for handheld work rather than hands-free use on steel.

  • 24" heavy-duty aluminum box level
  • 3 vials for level, plumb, and 45-degree checks
  • 0.5 mm/m accuracy rating
  • Boxed frame construction for rigidity
  • Non-magnetic
  • Weighs 3.25 lbs

The Details Specifications

Brand Johnson
Model / MPN 9950-2400
UPC 049448995028
Weight 3 lbs
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

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01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Johnson. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

The big boxes don't care if your hardware store survives.

Amazon, Home Depot, and Lowe's are built to pull every hardware dollar out of your town. When the local shop can't keep the lights on, the counter where somebody actually knew which part you needed goes with it. We're built the other way: real brands so you're never stuck on a marketplace, and a straight answer to buy it down the street when that's the better call. Support independent hardware — it doesn't restock itself.

Why we tell you to shop local
Authorized dealer · Johnson

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