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, Calipers 6 Inch Measuring Tool with Stainless Steel, I...

Kynup Digital Caliper, Calipers 6 Inch Measuring Tool with Stainless Steel, I...

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

🔋Smart auto-off battery saver

🛠️6-inch heavy-duty stainless steel

R976

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Description

📐 Measure Like a Pro, Every Time!

READY OUT OF THE BOX - Includes batteries, mini screwdriver, and protective case—perfect for DIY, woodworking, 3D printing, and automotive pros.
POWER WHEN YOU NEED IT - Intelligent auto-off feature preserves battery life so your caliper is always ready to perform.
EFFORTLESS READINGS ANYTIME - Oversized LCD with quick-switch modes (Inch/Metric/Fraction) eliminates guesswork and eye strain.
BUILT TO LAST DESIGNED TO IMPRESS - Forged from polished stainless steel for a solid, warp-free feel that outperforms plastic calipers.
PRECISION THAT PROFESSIONALS TRUST - Engineered for ultra-fine accuracy up to ±0.001"/0.02mm—measure with confidence every time.

The Kynup Digital Caliper is a 6-inch stainless steel measuring tool delivering professional-grade precision (±0.001"/0.02mm) with a clear LCD display and versatile Inch/Metric/Fraction modes. Its durable build, smart auto-off feature, and complete accessory kit make it an essential, reliable instrument for industrial, DIY, and professional use.

Specifications

ASIN	B07X8JQ8L5
Best Sellers Rank	#992 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Outside Micrometers
Brand Name	Kynup
Customer Reviews	4.6 4.6 out of 5 stars (11,879)
Item Dimensions L x W	3.5"L x 9.5"W
Item Weight	0.19 kg
Manufacturer	Kynup
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
Range	1.5E+2 millimeters
UPC	791315414919 791378538942
Unit Count	1 Count

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R976

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In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

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