---
product_id: 16045861
title: "Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal Combination Square, 12\", Silver, 1 Square"
brand: "johnson"
price: "121.23 DT"
currency: TND
in_stock: true
category: "Johnson"
url: https://www.desertcart.tn/products/16045861-level-and-tool-400em-s-heavy-duty-professional-inch-metric
store_origin: TN
region: Tunisia
---

# 12-inch dual-scale precision Auto-Lock blade alignment CNC-machined square head Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal Combination Square, 12", Silver, 1 Square

**Brand:** johnson
**Price:** 121.23 DT
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your craft with precision that never quits!

## Quick Answers

- **What is this?** Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal Combination Square, 12", Silver, 1 Square by johnson
- **How much does it cost?** 121.23 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/16045861-level-and-tool-400em-s-heavy-duty-professional-inch-metric)

## Best For

- johnson enthusiasts

## Why This Product

- Trusted johnson brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Heavy-duty cast zinc and anti-rust coated steel blade withstands toughest job site conditions.
- • **Lock-In Accuracy:** Auto-Lock blade assembly guarantees stable, precise alignment on every project.
- • **Dual-Scale Mastery:** Permanently etched stainless steel blade with inch and metric graduations for versatile measurements.
- • **Multi-Tool Functionality:** Functions as a try square, miter square, marking gauge, depth gauge, and level vial all-in-one.
- • **Precision Engineered for Pros:** CNC-machined zinc head ensures flawless 45° & 90° angles every time.

## Overview

The Johnson Level & Tool 400EM-S is a 12-inch professional-grade metal combination square featuring a CNC-machined cast zinc head for superior accuracy, a stainless steel blade with permanently etched dual inch/metric graduations, and an Auto-Lock blade assembly for precise alignment. Designed for durability and versatility, it includes a built-in level vial and a hardened scriber, making it an essential multi-functional tool for carpenters, machinists, and serious DIYers.

## Description

Product Description Little tool, big results. Johnson's easy to use 12" metal combination square gives you the accuracy and precision you need for every job. Its stainless steel blade has english graduations of 1/8", 1/16" and 1/32" as well as metric graduations that are permanently etched in black for easy readability. It features a durable acrylic vial, heavy-duty cast zinc head with a black, chip-resistant e-coating finish, and hardened screw-in scriber that won't fall out so that this combo square can withstand even the roughest job site abuse. It was also designed with maximum accuracy in mind - its square head is CNC machined for greater accuracy, and the Auto-Lock™ blade assembly makes it easier to accurately line up your tool for use. From the Manufacturer Cast zinc head with computer-machined gauging edges for greater accuracy. Acrylic yellow barrel vial. Hardened, removable scriber. Steel blade with protective anti-rust coating is permanently stamped in 1/8ths, 1/16ths, and 1/32nds.

## Features

- COMBO SQUARE: This Johnson combination square was designed with maximum accuracy in mind - its square head is CNC machined for greater accuracy.
- STAINLESS BLADE: This combination square has a stainless steel blade with etched graduations in 1/8", 1/16", and 1/32"; as well as millimeter graduations that are permanently imprinted so they will never fade or degrade
- ACCURATE MEASUREMENTS: Auto-Lock blade assembly ensures precise alignment for optimal tool performance
- APPLICATIONS: Ideal machinist's square; straightedge; adjustable try square; miter square; marking gauge; and depth gauge
- PRODUCT SPECIFICATIONS: Accurately measure 45° and 90°, mark miter cuts and find depth as well as simple distance measurements. Built-in level vial for checking level and plumb

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00002N5O9 |
| Best Sellers Rank | #102,246 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #102 in Carpentry Squares |
| Brand Name | Johnson |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,221) |
| 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 | 0.3 Pounds |
| Manufacturer | Johnson Level & Tool |
| Material Type | Stainless Steel, Zinc |
| Model | 400EM-S |
| Part Number | 400EM-S |
| 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. |

## Product Details

- **Brand:** Johnson
- **Color:** Black
- **Graduation Range:** 1/32 Inches
- **Material:** Stainless Steel, Zinc
- **Style:** 420EM Inch/Metric Metal

## Images

![Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal Combination Square, 12", Silver, 1 Square - Image 1](https://m.media-amazon.com/images/I/51C3F6pxAaL.jpg)
![Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal Combination Square, 12", Silver, 1 Square - Image 2](https://m.media-amazon.com/images/I/41rE77z4gEL.jpg)
![Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal Combination Square, 12", Silver, 1 Square - Image 3](https://m.media-amazon.com/images/I/21jcpu0oRkL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- Johnson Level & Tool 400EM-S Heavy Duty Professional Inch/Metric Metal Combination Square, 12", Silver, 1 Square
- Johnson Level & Tool 406EM Professional Inch/Metric Combination Square, 6", Silver, 1 Square
- IRWIN Tools Combination Square, Metal-Body, 6-Inch (1794468), Blue

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-21*