---
product_id: 6458209
title: "12\" 300 mm English Metric Rigid (1.250 wide x .040 thick) Zero Glare Satin Chrome Stainless Steel E/M Machinist Engineer Ruler/Rule with Graduations in 1/64, 1/32, mm and .5mm Model H-3412C"
brand: "shinwa"
price: "¥8375"
currency: JPY
in_stock: true
reviews_count: 9
category: "Shinwa"
url: https://www.desertcart.jp/products/6458209-12-300-mm-english-metric-rigid-1-250-wide-x
store_origin: JP
region: Japan
---

# 12" / 300mm precision length Photo-etched graduations in 1/64, 1/32, mm & 0.5mm Hardened stainless steel with zero glare satin chrome 12" 300 mm English Metric Rigid (1.250 wide x .040 thick) Zero Glare Satin Chrome Stainless Steel E/M Machinist Engineer Ruler/Rule with Graduations in 1/64, 1/32, mm and .5mm Model H-3412C

**Brand:** shinwa
**Price:** ¥8375
**Availability:** ✅ In Stock

## Summary

> 📏 Measure Like a Pro, Shine Like a Boss!

## Quick Answers

- **What is this?** 12" 300 mm English Metric Rigid (1.250 wide x .040 thick) Zero Glare Satin Chrome Stainless Steel E/M Machinist Engineer Ruler/Rule with Graduations in 1/64, 1/32, mm and .5mm Model H-3412C by shinwa
- **How much does it cost?** ¥8375 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/6458209-12-300-mm-english-metric-rigid-1-250-wide-x)

## Best For

- shinwa enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Scale Precision:** Imperial and metric graduations on opposite sides for versatile, exact measurements every time.
- • **Engineered for Accuracy:** Conforms to JIS B 7516 Grade 1 standard ensuring professional-grade measurement reliability.
- • **Ergonomic Width & Thickness:** 1.25" wide and 0.04" thick for a rigid, easy-to-handle tool that won’t warp or bend.
- • **Industrial-Grade Durability:** Hardened, tempered stainless steel resists corrosion and wear—built to last a lifetime.
- • **Zero Glare Satin Chrome Finish:** Read measurements effortlessly in any lighting without eye strain or reflection.

## Overview

The Shinwa 12" 300mm English Metric Rigid Rule is a premium stainless steel machinist ruler featuring dual imperial and metric scales with ultra-precise photo-etched graduations. Its hardened, tempered steel core and zero glare satin chrome finish ensure durability and easy readability, meeting the highest Japanese Industrial Standard (JIS B 7516 Grade 1) for accuracy. Designed for professionals who demand precision and longevity in their tools.

## Description

This is a Hardened Stainless Steel Satin Chrome Rigid 12" 300 mm Steel English Metric rule. This rule is made in Japan by Shinwa Measuring Tools Corporation, a premier tool manufacturer and is one of the most commonly used rules in Japan. This rule is made from the finest stainless steel available and is hardened and tempered. It has a zero glare satin chrome finish which makes it easy to read and will prevent corrosion. Markings are precision photo etched and then black filled for easy readability. The English Metric graduations shows 32nds and 64ths on one side and mm and .5 mm on the reverse. Rule is 1.250" wide and .040" thick. Both long edges and ends are ground flat and straight. Accuracy conforms to Japanese Industrial Standard (JIS) B 7516 Grade 1.

Review: Geeat quality, easy to read - After using this 12 inch Shinwa, I ordered a second one (6 inch) from them as well. These are high quality, accurate, and super easy to read. I like flexible scales for some jobs but really like the rigidness of this scale, since it's easier to pick up from a flat workbench. I wear trifocals and am always jockeying my work pieces around in the light to get a read on a scale. These are so easy to read in most lighting situations, that I may buy several others to have in various work areas. Not a glamorous tool purchase, but once you use them you wonder why you didn't buy one earlier. Highly recommended.
Review: Excellent - Ive used this ruler atleast once a day for the past 2 years and ive fallen in love! Incredibly accurate Metric measurements on one side and Imperial on the other. as far as i can tell, the ruler is anodized and then machined down so there isnt any ink that wears away over time. I dont store it in a case or drawer, it has a home just sitting on my desk and it is still in brand new condition. if i received another one of these today im sure it would look exactly the same.

## Features

- Made from the finest stainless steel available and is hardened and tempered
- Has a zero glare satin chrome finish which makes it easy to read and will prevent corrosion.
- mm. .5 mm, 32nd and 64th markings are precision photo etched and then black filled for easy readability
- Rule is 1.250" wide and .040" thick
- Conforms to Japanese Industrial Standard (JIS) B 7516 Grade 1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00LYAJRAO |
| Best Sellers Rank | #165,821 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #297 in Construction Rulers |
| Brand | Shinwa |
| Brand Name | Shinwa |
| Color | black |
| Customer Reviews | 4.7 out of 5 stars 458 Reviews |
| Graduation Range | 1/64 inches |
| Item Dimensions L x W | 12"L x 1.25"W |
| Item Thickness | 0.04 inches |
| Manufacturer | Shinwa Measuring Tools Corporation |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | H-3412C |
| Product Dimensions | 12"L x 1.25"W |
| Style | Industrial |
| Style Name | Industrial |
| UPC | 798167967013 616909150953 |

## Product Details

- **Brand:** Shinwa
- **Color:** black
- **Graduation Range:** 1/64 inches
- **Material:** Stainless Steel
- **Style:** Industrial

## Images

![12" 300 mm English Metric Rigid (1.250 wide x .040 thick) Zero Glare Satin Chrome Stainless Steel E/M Machinist Engineer Ruler/Rule with Graduations in 1/64, 1/32, mm and .5mm Model H-3412C - Image 1](https://m.media-amazon.com/images/I/91t20kKxbVL.jpg)

## Questions & Answers

**Q: What is the sensitivity? (+/- X micrometers)**
A: This goes to 0.5 MM, which is 5 micrometers.

**Q: Can this replace a metal blade in a combination square?  i'm a novice diy woodworker**
A: No.  The combination squares I'm familiar with typically have a channel that runs the length of the rule which is provided to allow it to be locked into place when adjusted as desired.   This rule does not have that channel.

**Q: Curious, whats this country of origin of this rule?**
A: Japan.  Very nice rules.

**Q: Is this really sand blasted finish? I am looking for a ruler wirh zero glare to be able to see it easily**
A: Here is the Shinwa scale on top of another brand I bought at the same time. The Shinwa definitely has a non glare finish. I did move them around so you can compare for yourself. Additionally, the Shinwa model has stayed flat and the edges while being sharp are smoother to the touch - the other rulers edge seems almost sharp enough to cut if you ran it across your hand.  I don’t think you will be dissapppointed in the Shinwa,

## Customer Reviews

### ⭐⭐⭐⭐⭐ Geeat quality, easy to read
*by M***O on January 22, 2024*

After using this 12 inch Shinwa, I ordered a second one (6 inch) from them as well. These are high quality, accurate, and super easy to read. I like flexible scales for some jobs but really like the rigidness of this scale, since it's easier to pick up from a flat workbench. I wear trifocals and am always jockeying my work pieces around in the light to get a read on a scale. These are so easy to read in most lighting situations, that I may buy several others to have in various work areas. Not a glamorous tool purchase, but once you use them you wonder why you didn't buy one earlier. Highly recommended.

### ⭐⭐⭐⭐⭐ Excellent
*by H***C on November 13, 2025*

Ive used this ruler atleast once a day for the past 2 years and ive fallen in love! Incredibly accurate Metric measurements on one side and Imperial on the other. as far as i can tell, the ruler is anodized and then machined down so there isnt any ink that wears away over time. I dont store it in a case or drawer, it has a home just sitting on my desk and it is still in brand new condition. if i received another one of these today im sure it would look exactly the same.

### ⭐⭐⭐⭐⭐ That's not a ruler... THIS is a ruler!
*by M***M on July 18, 2022*

If you are into crafts or other technical hobbies where accurate measurements or even just a good straight-edge are needed... THIS is THE ruler. It lays perfectly flat. It is easy to read (English / Metric sides). The markings are etched into the metal, not just painted. Will probably last a lifetime and then another. It feels sturdy / stiff in the hand, not flimsy. The 1/32 and 1/64 marks on the English side and 1/2-mm marks on the metric side are fantastic for precise measurements. It may seem trivial, but good tools make a big difference... even "just a ruler." Spend a couple of extra dollars on this PRECISION ruler and be done with it. I got the 6" version, too. Well worth it!

## Frequently Bought Together

- Shinwa 12" 300 mm English Metric Rigid (1.250 wide x .040 thick) Zero Glare Satin Chrome Stainless Steel E/M Machinist Engineer Ruler/Rule with Graduations in 1/64, 1/32, mm and .5mm Model H-3412C
- Shinwa H-3412A 6" 150 mm Rigid English Metric Zero Glare Satin Chrome Stainless Steel E/M Machinist Engineer Ruler/Rule with Graduations in 1/64, 1/32, mm and .5 mm
- Shinwa 150 mm Rigid (15 mm x 0.5 mm) Zero Glare Satin Chrome Stainless Steel Machinist Engineer Ruler/Rule with Graduations in mm and .5mm Model 13005

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-19*