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 Measuring Tool, 12 Inch Stainless Steel Micrometer

Kynup Digital Caliper Measuring Tool, 12 Inch Stainless Steel Micrometer

Product ID: 384167593

Details

Brand
Kynup
Material
Stainless
Measurement Accuracy
±0.001”
Product Dimensions
5.31"L x
Range
3E+2

📏12-inch precision range

🔄3-unit quick conversion

⚙️±0.0015” accuracy

47631 Ft

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Description

📐 Measure Like a Pro, Every Time!

BUILT TO LAST RESIST - Crafted from splash-proof stainless steel with a lockable head—durability meets sleek design.
SMART POWER MANAGEMENT - Auto shut-off after 6 minutes saves battery life, plus comes with 2 spare CR2032 batteries for uninterrupted work.
TRIPLE UNIT FLEXIBILITY - Seamlessly switch between inches, millimeters, and fractions with one button—adapt to any project instantly.
VERSATILE 4 IN 1 MEASURING - Measure depth, step, internal & external diameters with dual jaws and probe for total control.
PRECISION AT YOUR FINGERTIPS - Ultra-accurate ±0.0015” measurement ensures flawless DIY and professional results.

The Kynup Digital Caliper is a 12-inch stainless steel micrometer offering ultra-precise measurements with ±0.0015” accuracy. It features easy unit conversion between inches, millimeters, and fractions, plus versatile 4-way measuring capabilities. Designed for durability with splash-proof stainless steel and a lockable head, it includes smart auto-off power saving and spare batteries, making it the go-to tool for professionals and DIY enthusiasts alike.

Specifications

ASIN	B09KGHRKHY
Best Sellers Rank	#814 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 (11,805)
Included Components	Screws
Item Dimensions L x W	5.31"L x 16.93"W
Item Highlight	Vernier Dial Caliper Tool with Inch/Metric/Fraction Conversion, Auto-Off & IP54 Splash Proof for DIY & Industrial Use
Item Weight	1.6 pounds
Manufacturer	Kynup
Material Type	Stainless Steel,Silver,Metal
Measurement Accuracy	±0.001”
Model	170-4
Number of Batteries	1 CR2032 batteries required. (included)
Number of Items	1
Part Number	12INDCQC10271007
Range	3E+2 millimeters
Unit Count	1 Count

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47631 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered 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 Hungary.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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