What is the sensitivity? (+/- X micrometers)

This goes to 0.5 MM, which is 5 micrometers.

Can this replace a metal blade in a combination square? i'm a novice diy woodworker

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.

Is this really sand blasted finish? I am looking for a ruler wirh zero glare to be able to see it easily

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,

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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

Product ID: 6458209

Details

Brand
Shinwa
Color
black
Graduation Range
1/64 Inches
Material
Stainless
Style
Industrial

📏12-inch / 300mm precision length

🔍Photo-etched graduations for ultra-clear reading

⚙️Hardened & tempered stainless steel

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Description

📐 Elevate your measurements—precision that professionals swear by!

ERGONOMIC DESIGN - 1.25" wide and .040" thick for a rigid, stable grip that won’t warp under pressure.
DUAL SCALE VERSATILITY - Seamlessly switch between imperial (1/64, 1/32) and metric (mm, 0.5mm) measurements for any project.
INDUSTRIAL GRADE ACCURACY - Conforms to JIS B 7516 Grade 1 standards, trusted by professionals worldwide.
PRECISION MEETS DURABILITY - Crafted from hardened stainless steel for long-lasting accuracy and corrosion resistance.
ZERO GLARE SATIN CHROME FINISH - Engineered to reduce eye strain and enhance readability in all lighting conditions.

The Shinwa 12" 300mm English Metric Rigid Rule is a premium, hardened stainless steel ruler featuring zero glare satin chrome finish and precision photo-etched graduations in both imperial and metric units. Engineered to JIS Grade 1 standards, it offers unmatched durability, corrosion resistance, and readability, making it the go-to choice for machinists, engineers, and professionals demanding exact measurements.

Specifications

ASIN	B00LYAJRAO
Best Sellers Rank	#151,948 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #260 in Construction Rulers
Brand	Shinwa
Brand Name	Shinwa
Color	black
Customer Reviews	4.7 out of 5 stars 460 Reviews
Graduation Range	1/64 Inches
Item Dimensions L x W	12"L x 1.25"W
Manufacturer	Shinwa Measuring Tools Corporation
Material	Stainless Steel
Material Type	Stainless Steel
Part Number	H-3412C
Product Dimensions	12"L x 1.25"W
Style	Industrial
Style Name	Industrial
UPC	798167967013 616909150953

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$62.84

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

1 month ago

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Perfect platform for hard-to-find items. Delivery was prompt.

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