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Johnson Level & Tool 1904-0700V 7-1/4" Johnny Square® MACH-1™ Smart Mark™ Rafter Square with Level Vial, Black

  • Based on 3,423 reviews
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Availability: In Stock.
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Arrives Feb 20 – Mar 1
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Size: 7-1/4-inch


Style: MACH-1 with Level Vial


Features

  • Innovative Smart Mark Cutout faster, easier, more accurate marks at critical dimensions
  • Easily identifiable markings, cutouts, and notches for layout, scribing and marking cuts: 1-1/2", 3" and 4-1/2" mark stud or joist layouts; 1-3/4" and 3-1/2" mark LVL layouts; 3-1/2" and 5-1/2" mark 2x4 and 2x6 flat studs and blocking or 4x4 and 6x6 posts; 1/2", 3/4", 1-1/2" and 1-3/4" for scribing rip cuts and marking flat studs and blocking
  • 22.5, 30, 45 and 60 slots for marking out commonly used angles
  • Built-in level vial with 320 of visibility indicates level and plumb, and measures angle or roof pitch on existing structures, replacing a torpedo level in many applications
  • 1" wide heel stays seated on split and irregular materials

Description

Speed meets precision with Johnson’s new Johnny Square MACH-1 rafter square with level vial – a must have tool engineered for professionals' providing exceptional durability, versatility and accuracy. Our innovative Smart Mark Cutout delivers speed and accuracy with its easily identifiable markings, cutouts and notches for layout, scribing and marking cuts. Marking spaces are positioned to layout 1X, 2X, 4X and 6X lumber in widths from 1" to 6" as well as LVL's. Additional slots are positioned to mark 22.5, 30, 45 and 60 degree angle cuts. V-notches are located at each roof pitch to help accurately align your pencil when marking common top cuts. The frame has 1/16" scale graduations for precision and measures all the way to 7-1/4" to reach the full width of a 2x8 material. Scribe notches for ripping lumber are positioned every 1/8". The 1" wide multifunctional heel with replaceable level vial serves as a torpedo to indicate level and plumb and allows angle or roof pitch measurements on existing structures. The heel also features 1/16" scale graduations on the bottom and both sides offering maximum versatility with rapid and reliable measuring. Hi-visibility EZ-Read™ graduations and numbers are laser etched deep into the surface to resistant fading, scratching or deterioration, providing long-lasting results even under tough and demanding work conditions. Crafted from solid aluminum with CNC machined edges and vial holder for ultimate precision and accuracy. The matte black anodized coating reduces glare in direct sunlight and provides protection from rust and corrosion. Upgrade your toolkit with precision you can trust from Johnson!

Material: Aluminum


Brand: Johnson


Color: black


Style: MACH-1 with Level Vial


Graduation Range: 1/8 Inches


Manufacturer: ‎Johnson Level & Tool


Part Number: ‎1904-0700V


Item Weight: ‎9.3 ounces


Product Dimensions: ‎7.25 x 1 x 7.38 inches


Item model number: ‎1904-0700V


Size: ‎7-1/4-inch


Color: ‎black


Style: ‎MACH-1 with Level Vial


Material: ‎Aluminum


Item Package Quantity: ‎1


Measurement Accuracy: ‎±1/32


Batteries Required?: ‎No


Date First Available: May 26, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Feb 20 – Mar 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Fantastic square.
Size: 7-1/4-inch Style: MACH-1 with Level Vial
Fantastic speed square. Has all the marked measurements needed and the built in level is handy to have. This square is built right and heavy duty. Highly recommended if you’re a carpenter looking for a new one.
Reviewed in the United States on December 4, 2025 by Ken Gamelli

  • Well made
Size: 7-1/4-inch Style: MACH-1 with Level Vial
Well made, easy to read. I'm not using the bubble level near as much as I thought I would, but still handy for simple checks.
Reviewed in the United States on November 8, 2025 by Wayne Beckley

  • A+
Size: 7-1/4-inch Style: MACH-1 with Level Vial
Excellent tool!👍
Reviewed in the United States on December 17, 2025 by O.H.G

  • Save money buy this
Size: 7-1/4-inch Style: MACH-1 with Level Vial
Meets all expectations and it even has a level
Reviewed in the United States on November 16, 2025 by Ran tweed

  • Two in one
Size: 7-1/4-inch Style: MACH-1 with Level Vial
Works well wish I had thought of it
Reviewed in the United States on September 18, 2025 by Arthur Clemons

  • The t I t s
Size: 7-1/4-inch Style: MACH-1 with Level Vial
It's everything a speed square can be. It will not fit into the holstery speed square holster because the foot is too thicc because of the bubble. The bubble is replaceable but good luck finding one. There are a few Johnson brand ones here in the way way back of Amazon, if you can make it down the rabbit hole, but the sizes are inconveniently advertised as fractions that don't quite translate to 16ths of an inch. You would have to remove the bubble and then use a caliper, which I don't have. I'm worried about it being stolen at work because there's nowhere on the damn thing I can paint pen my name on it. It's almost too many functions and I'm probably never going to use them all. ... show more
Reviewed in the United States on November 1, 2025 by Alfie

  • Awesome
Size: 7-1/4-inch Style: MACH-1 with Level Vial
I’m actually really impressed i have More expensive squares, including a trig jig I just hung on the shelf after getting this. This thing has a lot more markings on it and options than the others, and the level seems to be more accurate.. I’m 55 done construction the last 40 years
Reviewed in the United States on October 1, 2025 by Lori Gahimer

  • Clearly one of the best small squares out there
Size: 4.5-inch Style: Standard
Super handy size of this square makes it a must have around the wood shop. Love the white on black easy-read markings. The price is right and it seems to be a quality tool. Was going to pay the price for one of those fancy smaller squares, but glad I didn't. For what I would have paid, I could have three of these. Will definitely get another one to have as a spare. ... show more
Reviewed in the United States on December 2, 2024 by Hank W

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