What Is the exact head size?

It takes standard size screwdriver bits.

Only for impact driver use, or will it work with combi? If not what model will?

Hi this will work with any drill/drill driver

Does anyone know if these will fit in festool impact driver?

I would think so they fit most tools out there .try a single bit to start

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Screwdriver Bit Set with Tough Case, 45-Piece (DW2166), Grey/Silver Screwdriving Set With Tough Case

Product ID: 51172925

Details

Brand
DEWALT
Finish type
Painted
Item length
3 Inches
Material
Alloy Steel
Number of pieces
45

🔒Secure clip latch closure

🧰45-piece comprehensive set

👁️Clear lid for instant visibility

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¥11421

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Description

🔧 Gear up like a pro—never miss a beat with DEWALT’s ultimate bit set!

SECURE PORTABLE - Clip latch ensures your bits stay locked in place, making it ideal for on-the-go pros.
SPACE SMART STORAGE - Compact case fits perfectly inside DEWALT ToughCase+ systems, keeping your workspace clutter-free.
ULTIMATE BIT VARIETY - 45 precision-engineered bits cover all your screwdriving needs, so you’re always ready.
INSTANT CONTENT CHECK - Clear lid lets you see every bit at a glance—no more fumbling or guesswork.
PATENTED BIT BAR DESIGN - Effortlessly remove and customize your bit layout for maximum efficiency on the job.

The DEWALT 45-piece Screwdriver Bit Set (DW2166) combines durable alloy steel bits with a patented bit-bar design housed in a compact, clear-lid case. Engineered for professional efficiency, it offers secure storage with a clip latch and fits seamlessly into DEWALT ToughCase+ organizers, making it the go-to choice for millennial managers who demand reliability and style in their toolkit.

Specifications

ASIN	B002JWSNIS
Best Sellers Rank	18,213 in DIY & Tools ( See Top 100 in DIY & Tools ) 154 in Screwdriver Bit Sets
Bit Compatibilities	drill, hand tool
Brand	DEWALT
Country of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (33,816)
Drive Bit Shank Style	round shank
Drive System	Phillips
Finish	Painted
Global Trade Identification Number	00028877528144
Included Components	Screwdriver Bit Set
Item Length	3 Inches
Item Type Name	Screwdriver Bit Set
Item Weight	581 g
Manufacturer	Dewalt
Material	Alloy Steel
Model Number	DW2166
Number of Pieces	45
Part Number	DW2166
Set Name	45-Piece Screwdriving Set DW2166
UPC	028877528144
Unit Count	1.0 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.

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TrustScore 4.5 | 7,300+ reviews

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¥11421

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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

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