Where are these tools made?

China, but they are tempered and well made.

what is the part labeled "AD" for?

It's a socket adapter, but not for anything in this set.

Will this work for Lenovo Yoga laptop base cover which has M2 × 6 mm, flat-head screws?

I do not know, in fact, I did not know if it would work on computer hard drives, but what the heck, it only cost 9 bucks so I bought and it worked.

Would it work on a Klein Tools 14-in-one?

Yes, but these bits are rather fragilent.

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

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HORUSDY 14-Piece Tamper Resistant Star Bits, S2 Alloy Steel, T5 - T40 Security Torx Bit Set

Product ID: 139598239

Details

Brand
HORUSDY
Drive System
Torx
Finish Type
Painted
Material
S2 Alloy steel
Number of Pieces
1

🔩14 precision tamper-resistant star bits

🧰Universal 1/4-inch hex shank fits most tools

🛠️S2 hardened & tempered alloy steel

$14.28

Duties & taxes included

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Unlock the power of precision security – don’t get left behind!

ORGANIZED READY - Comes in a vibrant orange storage sleeve case to keep your bits secure, visible, and travel-ready.
UNMATCHED DURABILITY - Crafted from premium S2 alloy steel for long-lasting strength and resilience.
SEAMLESS COMPATIBILITY - 1/4-inch hex shank design clicks effortlessly into most drill drivers, sockets, and power tools for instant use.
COMPREHENSIVE SIZE RANGE - Includes 13 tamper-resistant sizes from T6 to T40 plus a standard T5 bit, covering all your security Torx needs.
PRECISION FIT FOR SECURITY SCREWS - Perfectly engineered to engage tamper-resistant German star 6-point screws, eliminating slip and cam-out.

The HORUSDY 14-Piece Tamper Resistant Star Bits set features high-grade S2 alloy steel bits designed to fit tamper-resistant star screws from T5 to T40. Engineered to prevent cam-out and compatible with most 1/4-inch hex shank tools, this set is ideal for automotive, electronics, and industrial repairs. Packaged in a bright orange case, it offers durability, precision, and convenience for professionals who demand reliability and security in every job.

Specifications

ASIN	B07Q21RPS2
Best Sellers Rank	#2,606 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #10 in Screwdriver Bit Sets
Bit Compatibilities	drill
Bit Set Composition	Bit Set
Bit Tip Configuration	Anti Cam Out Tip
Brand Name	HORUSDY
Customer Reviews	4.6 4.6 out of 5 stars (9,096)
Drive Bit Application	automotive, electronics, industrial
Drive Bit Shank Style	1/4-inch
Drive End Style	Hex Shank
Drive System	Torx
Finish Types	Painted
Item Type Name	94253
Manufacturer	HORUSDY
Manufacturer Part Number	Screwdriver Bit Set
Material Type	S2 Alloy steel
Model Number	94253
Number of Items	14
Number of Pieces	1
Set Name	14-Piece Tamper Resistant Star Bits
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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$14.28

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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