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Johnson Level Aluminum 78-in 3 Vial Magnetic Box beam level

Name: Johnson Level Aluminum 78-in 3 Vial Magnetic Box beam level
Brand: Johnson Level
SKU: 1000243177
Rating: 4.6 (106 reviews)

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4.6

106

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Length (Inches): 78

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The workhorse of our level line, Johnson's 9550 levels are versatile enough to tackle any job, from rough carpentry to finish carpentry. The levels feature heavy-duty aluminum frames for strength and durability, and push-button removable end caps for flush work. Strong rare earth magnets hold the level securely in place on ferrous surfaces.

Powerful GripTight™ rare earth magnets hold to flat or round ferrous metal surfaces
Maximum accuracy
Removable end caps designed for finish carpentry work when measuring into corners
GripTight™ non-slip end caps hold level firmly in place with just one hand
Machined gauging edges
Surround view® vials reflect ambient light for easy-read
Soft cushioned hand grips
Solid block acrylic vials won’t fog, leak or break

General
Color/Finish Family	Orange	Number of Vials	3
Sub-Brand	N/A	Number of Vials Measuring Level	1
Material	Aluminum	Number of Vials Measuring Plumb	2
Package Quantity	1	Level Type	Box beam level
Package Contents	Box level

Dimensions
Length (Inches)	78	Width (Inches)	2.25
Weight (lbs.)	4.67

Features
Accuracy	0.5mm/m	Lighted	No
Heavy Duty	No	Magnetic	Yes
Legs Included	No	Tripod Included	No

Warranty
Warranty	Limited lifetime

Certifications
CA Residents: Prop 65 Warning(s)	No

Miscellaneous
UNSPSC	27111800

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Review

4.6 out of 5

106 Reviews

90% Recommend this product

Ratings may include incentivized customer reviews.

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What Customers Are Saying

Customers overwhelmingly praise this magnetic level for its exceptional build quality, powerful magnets, and accurate leveling performance. The sturdy aluminum body feels substantial yet lightweight, with many noting it outperforms previous levels and will last for years. The rare earth magnets are exceptionally strong, holding the level securely even upside down on steel surfaces. Reviewers consistently commend the large, easy-to-read vials for clarity and precision. A few report isolated defects or find the price steep, but these concerns are vastly outweighed by widespread satisfaction and strong recommendations.

Customer review summary generated by AI, including incentivized reviews.

106 Customer Reviews

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It was on sale at a good price.

Would Recommend

Needed a long level. The Johnson 78” works great

MarkJune 19, 2026
Verified Purchaser

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Durable and easy to use

Would Recommend

Does what it’s supposed to

MichelleJune 9, 2026
From Aluminum 24-in 3 Vial Magnetic Box beam level Verified Purchaser

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High quality level, well made and easy to use.

Would Recommend

I bought this level because of the size, I needed something bigger than what I already had but shorter than the largest level I also owned. This was the right one for the job. It is a very well made and professional level and I am very pleased with it. I would buy it again and I would recomment it to my friends and family.

FRO67May 29, 2026
From Aluminum 24-in 3 Vial Magnetic Box beam level Verified Purchaser

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Works great

Would Recommend

Works great

JCS1May 27, 2026
Verified Purchaser

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Magnets are where hinges are on doors

Would Recommend

Level seems well built and accurate

RoldenMay 7, 2026
Verified Purchaser

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2 Questions

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Dumb question, but is it supposed to be curved? Just got mine home to discover there is a pretty obvious bowing.

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COMPARE PRODUCTS

		Name	Current Item Johnson LevelAluminum 78-in 3 Vial Magnetic Box beam level
		Ratings	106
		Length (Inches)	78
		Magnetic
		Accuracy	0.5mm/m
KaproAluminum 72-in 3 Vial Box beam level	Johnson LevelAluminum 96-in 3 Vial Box beam level	Johnson LevelAluminum 48-in 2 Vial Box beam level	OXAluminum 53-in 5 Vial Extendable plate level	Johnson LevelAluminum 48-in 3 Vial Extendable Box Beam Level	Johnson LevelAluminum 48-in 3 Vial Box beam level	KAPROAluminum 72-in 3 Vial Magnetic Box beam level	Spec Ops ToolsAluminum 78.3-in 3 Vial Magnetic Box beam level	KAPROAluminum 72-in 3 Vial Magnetic Box beam level
2	92	28	39		4	4	48
72	96	48	53	48	48	72	78.3	72

<0.0005"/"	0.5mm/m	0.1 for 0 and 90, 0.2 for other angles	0. 0005"/ 1"	Extended: .001"; Retracted: .0005"	0.5mm/m	0.0005 in/in	0.0005	<0.0005"/"