What part of "made in china" and "sold by a company in illinois usa" makes this a "japanese" tool?

I love how the seller answered this question and said, "this is japanese tool. made in japan", but if you look at the pictures of the protractor in the packaging, it clearly says "made in china" at the bottom of the package. XD

Does the thumb screw on the protractor allow you to tighten the arm to "save" and transfer angles accurately?

Yes, the thumb screw does tighten and allow the user to "secure" the angle. However, the angle can easily get bumped and move on you, just due to the fact there there is no true locking mechanism. I suggest using this protractor to set the angle, then use a different tool to match the angle and transfer it to another work piece. You could certainly use this tool as an all in one stop, but in my experience, you just need to be careful not to bump it, else the angle will change on you.

Will this work for inside angles?

No. I use another Shinwa product (the adjustable T Bevel) to duplicate an inside angle and then measure it with protractor.

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IPSmart 31745 Shinwa Japanese #19 Stainless Steel Protractor 0-180 Degrees with Round Head by Shinwa

Product ID: 311551820

📏8" overall length for precision

🔩Stainless steel build for long-lasting use

⚙️Deeply etched, black-filled markings for durability

27821CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📐 Elevate your precision game with the protractor that means business.

PRECISION MEETS DURABILITY - Deeply etched, black-filled markings ensure effortless angle reading and longevity.
EFFORTLESS ANGLE MEASUREMENT - 0-180° range with clear, high-contrast markings to speed up your workflow.
ENGINEERED FOR PROFESSIONALS - Robust stainless steel construction built to withstand rigorous workshop use.
OPTIMAL SIZE FOR VERSATILITY - 8-inch length with a 3.5" x 2" base offers perfect balance between reach and control.
TRUSTED BY CRAFTSMEN WORLDWIDE - Highly rated with 4.6 stars from 450+ users who rely on it daily.

The IPSmart 31745 Shinwa Japanese #19 Protractor is a premium stainless steel measuring tool featuring an 8-inch length and a sturdy 3.5" x 2" base. Its deeply etched, black-filled markings guarantee easy readability and long-lasting performance, making it a trusted choice for professionals in carpentry and mechanical workshops.

Specifications

ASIN	B00AGAB1P2
ASIN	B00AGAB1P2
Batteries Included?	No
Batteries Required?	No
Customer Reviews	4.6 4.6 out of 5 stars (455)
Customer reviews	4.6 4.6 out of 5 stars (455)
Date First Available	1 December 2012
Date First Available	1 December 2012
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	70 g
Item model number	31745
Item model number	31745
Manufacturer	Shinwa
Manufacturer	Shinwa
Material	stainless steel
Package Dimensions	25.2 x 7 x 1.8 cm; 70 g
Package Dimensions	25.2 x 7 x 1.8 cm; 70 g
Part number	31745

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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27821CFA

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

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TrustScore 4.5 | 7,300+ reviews

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