# TLDR Review: Johnson 400EM-S Combination Square

*Published: 2024-09-22 | Updated: 2024-09-22 | Source: https://shopsavvy.com/reviews-tldr/johnson-400em-s-combination-square*

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## Product: Johnson 400EM-S Combination Square
**Brand:** Johnson

## Pros
- Stainless steel blade with both English and Metric graduations, permanently etched for easy readability
- Durable cast zinc head with chip-resistant e-coating finish
- CNC machined square head for enhanced accuracy
- Auto-Lock™ blade assembly for easy and accurate alignment
- Features a hardened, screw-in scriber that prevents falling out
- Durable acrylic vial for better longevity
- Anti-rust coated steel blade

## Bottom Line

The Johnson Level & Tool 400EM-S Heavy Duty Professional 12" Metal Combination Square is highly praised for its durability, precision, and easy readability. It features a sturdy design with a stainless steel blade and a heavy-duty cast zinc head, making it a reliable tool for various precise measuring tasks. If you're looking for a durable and accurate combination square with both metric and inch measurements, this product is a great choice.

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| Zoro | $9.98  | Check |
| Sustainable Supply | $12.85  | Check |
| Grainger Industrial Supply | $14.77  | Check |
| Amazon | $14.99  | Check |
| Koblick Supply | $66.36  | Check |
| MSC Industrial Supply | $79.55  | Check |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*