Where's the serial number on the device? a serial is listed on the cert of inspection, but i see no number on my micrometer.

Why do you ask? In 50+ years of being a machinist i have never wondered where the serial number has been on any of my micrometers.

Where are these manufactured? Are they made in China?

I do not know where those were made, but! The piece that I bought has the inscription "Made in Japan" everywhere. It brought its certificate of inspection, One year warranty certificate, User's manual and others paper stuff in English/Japanese.

Can you confirm that the rotating thimble, or any other major component is made of plastic on this model as noted by one reviewer? Thanks!

The rotating thimble is metallic. The small safety lever is plastic. The small part where the ratchet is rotated is also plastic. As far as I know, Mitutoyo produce very high quality products this is a nice Micrometer. I bought one some time ago and I am very happy with my micrometer.

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103-137 Outside Micrometer, Baked-enamel Finished Vernier Scale In Metric Units

Product ID: 278883727

Details

Brand
Mitutoyo
Material
Carbide
Measurement accuracy
+/- 0.01mm
Product dimensions
13.7L x 6.6W
Range
0.05 to 13.2

📏Vernier scale in metric units for ultra-precise OD measurements

⚙️Ratchet-stop mechanism ensures consistent pressure every time

🛡️Baked-enamel finish for long-lasting durability and corrosion resistance

67315CFA

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Description

📐 Measure Like a Pro, Every Time!

BUILT TO LAST - Durable baked-enamel finish protects the frame from wear and corrosion in demanding environments
CONSISTENT CONTROL - Ratchet-stop mechanism guarantees uniform pressure, eliminating guesswork in readings
PRECISION PERFECTED - Metric vernier scale delivers measurement accuracy to ±0.01mm for flawless results
COMPACT LIGHTWEIGHT - Ergonomic 175g design fits comfortably in your hand for effortless, on-the-go measurements
TRUSTED CRAFTSMANSHIP - Mitutoyo’s renowned carbide construction ensures reliability and longevity in every use

The Mitutoyo 103-137 Outside Micrometer features a precision metric vernier scale and a ratchet-stop mechanism for consistent, repeatable measurements with ±0.01mm accuracy. Its baked-enamel finished carbide frame offers exceptional durability and corrosion resistance, making it a trusted tool for professionals seeking reliable, high-quality outside diameter measurements.

Specifications

ASIN	B0006J421I
Best Sellers Rank	#21,654 in Automotive ( See Top 100 in Automotive ) #11 in Outside Micrometers
Brand	Mitutoyo
Brand Name	Mitutoyo
Customer Reviews	4.6 out of 5 stars 386 Reviews
Global Trade Identification Number	04946368103006
Item Dimensions L x W	13.7L x 6.6W centimeters
Item Weight	175 Grams
Manufacturer	Mitutoyo
Material	Carbide
Material Type	Carbide
Measurement Accuracy	+/- 0.01mm
Measurement accuracy	+/- 0.01mm
Model	103-137
Number of Batteries	AA batteries required.
Number of batteries	AA batteries required.
Part Number	103-137
Product dimensions	13.7L x 6.6W centimeters
Range	0.05 to 13.2 centimeters
Set Name	Pink
UPC	603908020554 603908064985
Unit Count	1 Count

Reviews

R**M

Mitutoyo topkwaliteit!

Topkwaliteit. Een mechanisch kunstwerk.

30.05.2026

A**R

Good buy

Solid quality as usual from Mitutoyo.

25.06.2026

ボ**じ

信頼のミツトヨ製

ミツトヨのマイクロは仕事でン十年と使ってますが精度、耐久性なんの問題もありません。最近はデジタルがかなり普及してますし高精度なものだと1/1000ｍｍ単位表記のものもありますが、手頃なサイズのこいつは非常に使い勝手が良いので重宝します。バーニアの読み方や扱い方さえ会得すればアナログで1/100表記のこいつだって2/1000位は狙って測れますよ。ただ老眼には勝てませんね(￣▽￣;)

1.03.2025

S**I

Perfetto

Veramente buon livello

1.07.2025

J**H

Best

Best quality

16.02.2026

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67315CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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