How wide an angle, in degrees, does this measure? 180°? 359°?

It will continue counting beyond 360 if you keep rotating it. It goes forever.

will this fit tight in an inside corner?

That depends on the size of the corner. The angle finder I have is 8.55 inches long and just under 1.4 inches wide when closed, so the corner must be large enough for the tool to fit inside. The pivot end has a radius slightly smaller than half the with of the two straight edges. You can make a mockup of the tool using the dimensions I have given here an the angle you need and see if it fits the corner you want.

Are measurements laser ecthed?

The measurements are etched, not printed.

Does it split the angle in half for miter cuts?

I have had to do a lot of atypical miters and how I do this is to cut one miter angle and them measure this angle to determine the other angle on the miter. This has worked well, but can difficult if you do not have the space needed to expand the Gem Red. Overall this is a remarkable tool that is very accurate. But I needed to buy a smaller digital angle finder to work in smaller spaces. After working with the digital, would never go back to non digital.

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GemRed 82305 Digital Angle Finder GemRed Protractor Stainless steel 7inch 200mm (Black Button)

Product ID: 16271972

Details

Brand
GemRed
Color
Black Button
Material
Stainless
Product Dimensions
15.75"L x
Style
Modern

🎯±0.3° high accuracy

📏7-inch stainless steel ruler

🔒Locking function for stable readings

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$48.81

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📐 Nail every angle like a pro — precision that keeps you ahead!

READY TO GO - Includes CR2032 battery so you’re powered up and ready to tackle your next precision task immediately.
LOCK IT READ IT - Locking mechanism holds your angle steady, eliminating guesswork and boosting efficiency on every project.
COMPACT YET MIGHTY - Folded length of 7.5 inches fits comfortably in your toolkit without sacrificing functionality.
EFFORTLESS ANGLE MASTERY - Patented combo of ruler and protractor lets you measure inside and outside angles with unmatched ease.
PRECISION MEETS DURABILITY - Stainless steel construction with laser-etched measurements ensures long-lasting clarity and reliability.

The GemRed 82305 Digital Angle Finder is a sleek, stainless steel protractor and ruler combo designed for professionals and DIYers alike. With patented measuring technology, ±0.3° accuracy, and a locking function, it delivers precise angle measurements for woodworking, molding, and daily projects. Compact and durable, it comes ready to use with an included battery, making it an essential tool for anyone serious about precision.

Specifications

ASIN	B00W395R5E
Batteries	1 Lithium Metal batteries required. (included)
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium
Best Sellers Rank	#4,181 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Construction Protractors
Color	Black Button
Customer Reviews	4.6 4.6 out of 5 stars (8,074)
Date First Available	September 13, 2015
Description Pile	CR2032
Included Components	Battery
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	7 ounces
Item model number	82305
Manufacturer	Guilin GemRed Sensor Technology Co., Ltd
Material	Stainless Steel
Part Number	82305-200D
Power Source	Battery Powered
Product Dimensions	15.75 x 0.79 x 0.1 inches
Size	200mm
Style	Modern

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The product quality is outstanding. Exactly what I needed for my work.

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