Does this item come pre-calibrated? Will you be able to provide document on the calibration?

No, it doesn't come with pre-calibration. I just checked it with a calibrated one.

What kind of batteries do these calipers use?

Copy and paste this - 50 357 Alkaline Watch Batteries LR44 AG13 SR44W Battery - for a lot of 50 battery cells that work for this Caliper.

can i use this to measure screws? i mixed up a bunch of screws in a bag and have no idea what size is which.

Yes, however you might benefit by using a thread checker instead. It is difficult to determine thread pitch using calipers. Thread checkers work when you thread a screw into the checker or a nut onto it. This has the advantage of sorting the 8mm screws and nuts from the 5/16" screws and nuts. It also allows you to determine if a screw or nut is a #12 SAE as opposed to a 1/4" SAE screw or nut.

are these tips hardened? Thanks

Yes, the tips are hardened so they don't flex and dull out.

01409a | Desertcart Angola

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Kz119780

Duties & taxes included

In stock

Sold byAmazon AngolaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📐 Elevate your precision game—measure like a pro, every time.

BUILT TO ENDURE - Polished stainless steel frame with knurled thumb roller and locking screw for smooth, reliable use.
SEAMLESS UNIT SWITCHING - One-button toggle between inch, fraction, and millimeter modes—ditch manual conversions forever.
READABILITY MEETS EFFICIENCY - Extra-large LCD screen ensures quick, clear readings to keep your workflow uninterrupted.
VERSATILITY AT YOUR FINGERTIPS - Measure inside, outside, depth, and step with dual jaws and depth probe—your all-in-one precision partner.
PRECISION THAT COMMANDS RESPECT - Accurate to 0.001" / 0.02mm for flawless measurements every time.

The NEIKO 01409A 12” Electronic Digital Caliper delivers professional-grade accuracy with a 0-12 inch (0-300 mm) range and 0.001" resolution. Featuring a polished stainless steel frame, an extra-large LCD for effortless reading, and a one-button quick-change for inch, fraction, and millimeter modes, it’s engineered for versatility and durability. Ideal for professionals and DIYers alike, it includes dual jaws for inside/outside/depth measurements, a locking screw for stability, and comes with a rugged storage case plus an extra battery—ensuring you’re always ready for precision tasks.

Specifications

ASIN	B000EJUBBU
Best Sellers Rank	#1,202 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Digital Calipers
Brand Name	NEIKO
Customer Reviews	4.3 4.3 out of 5 stars (1,438)
Global Trade Identification Number	00837013014096, 00837013014140
Included Components	12-inch digital caliper, 1 case, 1 extra battery
Item Dimensions L x W	17"L x 6"W
Item Type Name	12” Electronic Digital Caliper \| Extra Large Display \| 0 - 12 Inches \| Inch/Fractions/Millimeter Conversion \| Polished Stainless Steel
Item Weight	1.5 pounds
Manufacturer	Neiko
Material Type	Stainless Steel
Measurement Accuracy	0.001” / 0.02 mm
Model	01409A
Number of Batteries	2 Product Specific batteries required. (included)
Number of Items	1
Number of Packs	1
Part Number	01409A
Range	12
UPC	798813028693 837013014096 837013014140
Unit Count	1 Count

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Kz119780

Duties & taxes included

In stock

Sold byAmazon AngolaDelivered 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 Angola.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Meera L.

Smooth transaction and product arrived in perfect condition.