does this tool work so that you can get an angle and then it will let you know the degree on saw?

that's what it is designed to do, so yes if apply it to the angle you want to cut you just have to make the cut at that angle

Will this lay flat on a table, even with the wing nut?

The square head will lay flat on a table surface, the square head measure read plate is 1.22mm or 3/64'' thick thus leaving the measure indicating arm that much above the surface.Hope this answers the question and is helpful. Oscar

Are the edges of the protractor rectangular plate with the graduation truly square?. Can you use any edge adding 90 degrees when using the sides?

First question answer is yes, I checked mine at 90 degrees and 45 degrees. Second question answer yes, I have drawn two lines parallel using each side of the protractor arm. The markings run left to right to left and left to right on two levels. Trust this explanation has answered your questions.

What are the dimensions of the bar... ?

The bar, from the pivot point to the extremity is 150 mm long, 15 mm wide and about 1.5 mm thick made of stainless steel The angle measuring plate measures 90mm by 52mm.

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📏 Master every angle with precision and style!

LOCK IT DOWN - Knurled thumb nut locks the 6-inch arm securely for quick, reliable angle measurements every time.
BUILT TO LAST - Crafted from durable stainless steel, this protractor resists rust and wear, standing up to daily use.
VERSATILE ESSENTIAL - Ideal for professionals and hobbyists alike—perfect for carpenters, machinists, students, and woodworkers.
SQUARE HEAD STABILITY - Anchor the protractor firmly against surfaces for hands-free, steady measurements.
PRECISION AT EVERY ANGLE - Deeply etched graduations ensure accurate readings from 0° to 180°, forward and reverse, that never fade.

The General Tools17 Square Head Stainless Steel Angle Protractor offers precise 0° to 180° measurements with a durable, rust-resistant stainless steel build. Featuring a 6-inch adjustable arm with a locking thumb nut and a stable square head design, it’s the go-to tool for professionals and hobbyists seeking reliable, long-lasting angle measurement.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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HK$348

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Hong Kongstore

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TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Manufacturer	General Tools
Part number	17
Item Weight	63.5 g
Product Dimensions	20.32 x 5.08 x 0.25 cm; 63.5 g
Item model number	17
Size	Pack of 1
Color	Stainless Steel
Style	Square Head
Material	Stainless Steel
Pattern	Angle Finder
Power source type	Hand Powered
Item Package Quantity	1
Number Of Pieces	1
Measurement System	Inch
Measurement Accuracy	+/1%
Included components	STEEL PROTRACTOR
Batteries Included?	No
Batteries Required?	No

General Tools17 Square Head Stainless Steel Angle Protractor, 0 to 180 Degrees, 6-Inch Arm

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