Does this hold 4mm bits?

Yes this product holds 4mm bits

Are the bits themselves magnetic?

No the bits themselves are not magnetic. Over time, they do pick up a small amount of residual magnetism though. They are held in the storage area by magnets in the step and they are held in the tip during use by a small rare earth magnet in the body of the tool where the tips are placed.

Is it tsa compliant? assembled with a bit still way below 7 inches but not sure about other considerations.

It is only four and three-quarter inches in length, and because it has no knife blade, it should pass through TSA with no trouble. However, if an agent opened it, and accidentally lost a bit or two, you'd probably not appreciate that. So, I'd recommend putting all tools, including knives, into your checked luggage. If you're not checking luggage, leave the most expensive tools at home, and make a stop a Harbor Freight for some cheap ones, after arrival at your destination.

HOTO 24 in 1 Multi Bit Mini Screwdriver Set Magnetic, Manual Precision Screwdriver Set, EDC Pen Screwdriver for Eyeglasses, Electronics, Watches, Phones, Laptops, Cameras, Dark Turquoise

HOTO 24 in 1 Multi Bit Mini Screwdriver Set Magnetic, Manual Precision Screwdriver Set, EDC Pen Screwdriver for Eyeglasses, Electronics, Watches, Phones, Laptops, Cameras, Dark Turquoise

Product ID: 325782840

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Details

Brand
HOTO
Colour
Dark Turquoise
Head style
Phillips Flat
Material
Alloy Steel
Number of Items
1

🧲magnetic bit holder

⚙️360° rotating cap

🛠️24-in-1 versatile bits

Description

🛠️ Unlock precision everywhere — your pocket-sized repair hero awaits!

MAGNETIC BIT MASTERY - Innovative magnetic slot locks bits in place with a satisfying click—no more lost pieces on the job.
SLEEK PORTABLE DESIGN - Lightweight aluminum alloy pen shape fits perfectly in your pocket or EDC kit—ready for any repair mission.
360 FREE ROTATING CAP - Experience fluid, precise turns that make delicate electronics and jewelry repairs a breeze.
ALL IN ONE PRECISION POWERHOUSE - 24 double-ended S2 steel bits with 60HRC hardness cover every tiny screw job from eyeglasses to laptops.
ERGONOMIC GRIP FOR EFFORTLESS CONTROL - Polyhedral anti-slip handle and whisper-quiet bearing cap enable smooth, one-handed precision.

The HOTO 24-in-1 Multi Bit Mini Screwdriver Set is a compact, pen-shaped toolkit featuring 24 high-hardness S2 steel bits stored magnetically within a durable aluminum alloy body. Designed for professionals and tech-savvy millennials, it offers a 360° rotating cap and anti-slip grip for smooth, precise repairs on electronics, watches, eyeglasses, and more. Its innovative magnetic bit holder ensures quick bit swaps and prevents loss, making it the ultimate portable multitool for everyday precision tasks.

Specifications

ASIN	B08X6ZZKP8
Best Sellers Rank	#94,437 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,078 in Screwdriver Sets
Brand	HOTO
Brand Name	HOTO
Color	Dark Turquoise
Colour	Dark Turquoise
Customer Reviews	4.6 out of 5 stars 872 Reviews
Head Size	Precision
Head Style	Phillips, Flat, Hex, Torx, U-Shaped, Y-Shaped, W-Sharped, Tri-Wing, Triangular, Pentagon
Head style	Phillips, Flat, Hex, Torx, U-Shaped, Y-Shaped, W-Sharped, Tri-Wing, Triangular, Pentagon
Included Components	①Magnetic Storage box for precision bits; Portable pen-shape design. ②24 types of bits, Meet more high-precision repair needs; High-quality S2 Steel Precision Bits. ③Screwdriver lid with bearing and slip-proof handle, Suitable for single-handed usage. ④Magnetic Slot for Bits, Convenient for quick change. ⑤Machine Dismantling; Electric Appliance Repairing; Precision Assembling; Small-Object Repairi…
Item Dimensions	12 x 1.7 x 1.7 centimeters
Item Type Name	Torx Screwdriver Set
Item Weight	62 Grams
Manufacturer	HOTO
Manufacturer Part Number	QWLSD004
Material	Alloy Steel
Material Type	Alloy Steel
Model Name	QWLSD004-Green
Model Number	QWLSD004
Number of Items	1
Recommended Uses For Product	Electronics Item, Eyewear
Recommended uses for product	Electronics Item, Eyewear
Special Feature	Magnetic Tip
UPC	785249072451
Unit Count	1.0 Count

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