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📐 Elevate your precision game — because every detail counts!
The Johnson Level & Tool 400EM-S is a 12-inch heavy-duty metal combination square engineered for professional-grade accuracy. Featuring a CNC-machined cast zinc head, permanently etched stainless steel blade with dual inch/metric scales, and an Auto-Lock blade assembly, it delivers reliable measurements for miter, depth, and straightedge tasks. Built tough with a chip-resistant finish and integrated level vial, this tool is designed to withstand rigorous job site use while ensuring precision for carpenters, machinists, and DIY pros alike.


















| ASIN | B00002N5O9 |
| Best Sellers Rank | #125,572 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #127 in Carpentry Squares |
| Brand | Johnson |
| Brand Name | Johnson |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 1,996 Reviews |
| Global Trade Identification Number | 00049448003679, 00049448400003 |
| Graduation Range | 1/32 inches |
| Item Dimensions L x W | 12"L x 5.5"W |
| Item Thickness | 1 millimeters |
| Item Type Name | Johnson Level & Tool 400EM-S 12-Inch Metal Combination Square |
| Item Weight | 4.8 ounces |
| Manufacturer | Johnson Level & Tool |
| Material | Stainless Steel , Zinc |
| Material Type | Stainless Steel, Zinc |
| Model | 400EM-S |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 400EM-S |
| Product Dimensions | 12"L x 5.5"W |
| Style | 420EM Inch/Metric Metal |
| Style Name | 420EM Inch/Metric Metal |
| UPC | 049448003679 049448400003 |
| Warranty Description | 1 Year Warranty: Johnson Level warrants this product against defects in material and workmanship for one year after the confirmed purchase date. At its option, the company will replace or repair the product if it fails under normal use. |
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