How do you set the display where all the numbers are big? it shows a picture where there all big?

There is a select button to cycle though a choice of display options. There is also a zero button along with an on/off button (if my 78 y.o. memory serves me correctly). If that doesn't do what you want, I'm out of guesses. One observation might be that only whole and NOT fractional numbers appear large. Hope this helps.

What size screw is needed for battery cover? I tried jeweler screws but they are too small. I lost mine replacing battery.

I'm not sure but if you go to lowes or tractor supply I'm sure you'll find what you need fairly easy.

What is the casing of the digital readout made of? Plastic or metal?

The description says the housing is made of metal with a silver paint finish. Feel and weight suggests metal construction. It is heavier than others I have that are plastic.

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Kynup Digital Caliper, Caliper Measuring Tool, Stainless Steel Micrometer

Product ID: 168108713

Details

Brand
Kynup
Material
Stainless
Number of Batteries
3 Lithium
Product Dimensions
3.5"L x 9.5"W
Range
1.5E+2

📏±0.001" / 0.02mm precision accuracy

🔋Smart auto-off for battery longevity

🛠️6-inch heavy-duty stainless steel

$89.26

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Description

📐 Measure Like a Pro, Every Time!

ALWAYS READY WHEN YOU ARE - Intelligent auto-off feature preserves battery life so your tool is ready the moment you need it.
EFFORTLESS READINGS ANYTIME - Oversized LCD screen with quick-switch modes (Inch, Metric, Fraction) eliminates guesswork and eye strain.
COMPLETE KIT FOR INSTANT USE - Includes extra batteries, mini screwdriver, and a protective case—your all-in-one precision toolkit.
BUILT TO LAST DESIGNED TO IMPRESS - Forged from polished stainless steel, this caliper resists warping and delivers a solid, stable feel in every use.
PRECISION THAT PROFESSIONALS TRUST - Engineered for ultra-fine measurements with ±0.001" accuracy, perfect for 3D printing, woodworking, and automotive projects.

The Kynup Digital Caliper is a 6-inch stainless steel micrometer designed for professional-grade precision with ±0.001" accuracy. Featuring a large LCD display with inch, metric, and fraction modes, it ensures easy, accurate readings. Its durable stainless steel construction prevents warping, while the smart auto-off function extends battery life. The package includes extra batteries, a mini screwdriver, and a protective case, making it an essential tool for DIY enthusiasts, 3D printing, woodworking, and automotive repair.

Specifications

ASIN	B07X8JQ8L5
Best Sellers Rank	#786 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Outside Micrometers
Brand	Kynup
Brand Name	Kynup
Customer Reviews	4.6 out of 5 stars 11,850 Reviews
Item Dimensions L x W	3.5"L x 9.5"W
Item Highlight	6 Inch Dial Vernier Caliper Tool, Inch/Metric/Fraction Conversion, Auto-Off & IP54 Splash Proof for DIY & Industrial Use
Item Weight	14.1 ounces
Manufacturer	Kynup
Material	Stainless Steel
Material Type	Stainless Steel
Model	170-2
Number of Batteries	3 Lithium Metal batteries required. (included)
Number of Items	1
Number of Packs	1
Part Number	USQC03301915
Product Dimensions	3.5"L x 9.5"W
Range	1.5E+2 millimeters
UPC	791315414919 791378538942
Unit Count	1 Count

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$89.26

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

2 days ago

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

1 month ago

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