
400EM Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.95 | Condition is New, Johnson Level 400EM Professional Inch/Metric Metal Combination Square, 12", FREE SHIPPING | 99.7% |
![]() | $11.49 | Condition is New, NEW Johnson Level 400 Metal 12" Combination Square w/ Level and Scriber 6245054, shipping cost = $6.95 | 98.7% |
![]() | $17.87 | Condition is New, Johnson 400 Metal Black Cast Zinc Head Combination Square 12 L in., FREE SHIPPING | 99.6% |
![]() | $13.99 | Condition is New, Johnson heavy Duty 12" English/Metric Metal Combination Square - 400EM NEW, shipping cost = $5.00 | 99.4% |
![]() | $14.19 | Condition is New, Johnson Level & Tool 400Em-S Combo Square, 12 In. L, In/Mm Graduations, shipping cost = $5.00 | ![]() |
![]() | $14.49 | Condition is New, Johnson Level & Tool 400 Combination Square, 12 In, Zinc Head, shipping cost = $5.00 | ![]() |
![]() | $19.99 | Condition is New, Johnson 12 Inch Combination Square Stainless Steel Blade Accurate Measuring Tool, FREE SHIPPING | 98.9% |
![]() | $15.15 | Condition is New, Johnson Level & Tool 400Em Combination Square, 12 In, Zinc Steel Head, shipping cost = $5.00 | ![]() |
![]() | $21.84 | Condition is New, Johnson 400EM 12" Inch/Metric Stainless Steel Combination Square, FREE SHIPPING | ![]() |
![]() | $21.99 | Condition is New, Johnson 12 in X 4-3/4 in Stainless Steel Combination Square 400, FREE SHIPPING | 99.7% |
![]() | $12.59 | Condition is New, Johnson Level & Tool 400 Combination Square,12 In,Zinc Head, shipping cost = $10.69 | 98.6% |
![]() | $22.26 | Condition is New, Johnson Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal Combin..., FREE SHIPPING | 100.0% |
![]() | $22.61 | Condition is New, Johnson 400 Combination Square, 12 in L Blade, Stainless Steel Blade, 1/8 in, 1/, FREE SHIPPING | 99.5% |
![]() | $23.72 | Condition is New, Johnson 400 Zinc Combination Square, 12-In. - Quantity 1, FREE SHIPPING | 99.8% |
![]() | $24.14 | Condition is New, Johnson 400EM-S 12" Heavy Duty Professional Inch/Metric Metal Combination Square, FREE SHIPPING | ![]() |
![]() | $26.10 | Condition is New, Johnson Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal, FREE SHIPPING | 98.7% |
![]() | $28.38 | Condition is New, Johnson Level 400EM Heavy Duty Metal Combination Inch/Metric Professional, FREE SHIPPING | 99.5% |
![]() | $43.79 | Condition is New, 400EM Johnson Level 12 In. English/Metric Professional Combination Square, FREE SHIPPING | 98.6% |
![]() | $101.52 | Condition is New, JOHNSON 400 Combination Square,12 In,Zinc Head PK 6, FREE SHIPPING | ![]() |
![]() | $102.78 | Top Pick! Condition is New, JOHNSON 400EM-S Combo Square,12 in. L,in/mm Graduations PK 6, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.00 | Condition is Open box, JOHNSON Level 400EM Heavy Duty 12" Combination Square with Level, shipping cost = $7.75 | 99.5% |



The Johnson 400EM Level 12 Combination Square is a high-quality, versatile tool designed to provide precise measurements and angles for various DIY and professional projects. This combination square is constructed with a robust 12-inch steel rule, which is coated with a durable, scratch-resistant chrome finish for enhanced durability and longevity.
The Level 12 feature of this combination square means it has 12 graduated lines on both the blade and the head, providing a fine level of accuracy for angle measurements. The head of the square is adjustable, allowing you to set it to your desired angle with ease. The head is also equipped with a built-in magnetic strip, ensuring that it securely stays in place on metal surfaces, reducing the risk of slippage and ensuring increased precision.
The blade of the Johnson 400EM Level 12 Combination Square features a high-contrast, easy-to-read, dark-colored scale, which makes it easy to read even in low-light conditions or from a distance. The blade is also designed to be highly accurate, with a fine-grained finish that reduces the risk of marking or scratching the surfaces you're working on.
The square's legs are fully adjustable, allowing you to set the square at a variety of angles, from 0 to 90 degrees. The legs are also designed to be sturdy and reliable, with a secure lock mechanism that keeps them in place once set, ensuring that your measurements remain accurate.
In summary, the Johnson 400EM Level 12 Combination Square is a reliable and durable tool for any DIY or professional project that requires precise measurements and angles. Its high-quality construction, adjustable head, and sturdy legs, combined with its easy-to-read scale and magnetic head, make it an excellent choice for carpenters, woodworkers, and hobbyists alike.
Pros of buying Johnson 400EM Level 12 Combination Square:1. Precision: The Johnson 400EM is known for its high level of accuracy. Its 12-inch blade provides a large, easy-to-read scale, making it ideal for detailed work.
2. Durability: The square is made of high-quality materials, including a hardened steel blade and an anodized aluminum base. This makes it resistant to wear and tear, ensuring long-lasting use.
3. Versatility: The combination square can be used in various angles, making it a versatile tool for different types of projects. It can also be used as a protractor or a scribing tool.
4. Easy to Use: The square has a fine adjustment knob for easy and precise adjustments. It also comes with a removable magnetic face, which is handy for holding small metal parts in place.
Cons of buying Johnson 400EM Level 12 Combination Square:1. Price: The Johnson 400EM is a premium tool and it comes with a premium price tag. It may be out of budget for some users.
2. Weight: At 2.5 pounds, the square is quite heavy. This might be a disadvantage for users who need to carry their tools around frequently.
3. Complexity: While the square is versatile, its many features can make it complex to use for beginners. It may require some time to get used to.
Conclusion:The Johnson 400EM Level 12 Combination Square is a high-quality, precision tool that is perfect for professional woodworkers and DIY enthusiasts who value accuracy and durability. Its versatility and ease of use make it a valuable addition to any toolbox. However, its high price and weight may be a disadvantage for some users. If you're willing to invest in a premium tool and can handle its weight, this combination square is definitely worth considering.
Recommendation:If the Johnson 400EM is beyond your budget, there are other combination squares available at lower prices that offer similar features. Just make sure to check the reviews and ensure that the square is made of high-quality materials and is accurate. Also, consider the weight of the square to see if it's something you can comfortably use for your projects.
Details:
Packaging is damaged.
specifications levelmeas:
- brand: Johnson
- mpn: 400em
- part type: Level
- color: Silver
- material: Stainless Steel
- item length: 12 In
- upc: 049448003679
seller levelmeas:
- rating: 99.2%
- # reviews: 9826
- city: liberty, missouri
payments levelmeas:
- credit card: diners-club
- wallet: apple-pay
- other
shipping levelmeas:
- type: fixed
- service: usps first class
- carrier: usps
- class: standard
- transit: 4-11 days
general levelmeas:
- category: Home & Garden > Workshop Equipment > Measuring Layout Tools > Levels
offer levelmeas:
- in stock #: 5
- sold #: 22
- prices: $11.49–$102.78
- item condition:
- New
- Open box
- options: ship-to-home
- availability: in stock
- best offers: true
- started: december 17, 2024
returns levelmeas:
- paid by: buyer
- policy: returns accepted
- method: money back
- time: 30 days
Related To:
- 1300-2400: LEVEL, Johnson
- 689853836280: TOOL LEVEL LOCATOR, Johnson
- 692624245341: TOOL LEVEL, Johnson
- 049448124077: TOOL POCKET LEVEL CASE, Johnson
- 696592146099: TOOL LEVEL, Johnson
- RAS-1B: TOOL LEVEL, Johnson Level Tool
- -17417200: TOOL LEVEL BOX, Johnson
- 40-0026: TOOL LEVEL, Johnson
- 1721P: TOOL POCKET LEVEL, Johnson
- 9848-HH: TOOL LEVEL, Johnson
- 1TDY8: LEVEL, Johnson





















