So are any of these bits jis? Because I don’t see jis stamped

I’m going to say no, just because of how they’re labeled PH1 PH2 PH3. PH meaning Phillips. Vessel usually labels their JIS drivers +1 +2 +3 or P1 P2 P3. P meaning Plus. Though I’m surprised Vessel made a set with Phillips bits, not JIS bits. Having said all that, this is a decent set that I use regularly. I have only experienced cam-out either when using cheap screws, or operator error.

Does anyone know of the grooves on these line up properly with the ball detent on American style impact drivers?

The ball detent lines up with about the ball on the bit. It locks securely into an impact driver but has a couple millimeters of back and forth movement inside the collar. In a Milwaukee M12 Surge Impact Driver, just the head of the bit sticks past the collar. The movement is just slightly more then my long Milwaukee and DeWalt bits and extenders.

Are the cross points JIS?

Short answer - NO. The cross points are marked PH1 / 2 / 3 and PZ1 / 2 / 3. The PH is for Phillips and the PZ is for Pozidrive. I haven't tried the PZ on my JIS fasteners but based on the description they seem similar to my JIS Vessel screwdrivers. From the internet. "A Pozidriv has ribs between each of the four arms of the cross. This increases the grip between the bit and the fastener. A Phillips bit fits in a Pozidriv screw head, but it will most likely cam out before the fastener is fully tightened. ... A Pozidriv bit does not fit in a Phillips screw head"

Q: Vessel, do you offer metric hex 2.5 mmbits? thank you

Yes and we will prepare Hex 2.5mm tip bit in near future! By the way, Hex 3/32" is 2.3mm so it is a sort of 2.5mm.

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(US Model) VESSEL IMPACT BALL Torsion Bit 31 PC. Set in SLIDE CASE

(US Model) VESSEL IMPACT BALL Torsion Bit 31 PC. Set in SLIDE CASE

Product ID: 289760422

Details

Brand
VESSEL
Finish Type
Unfinished
Item Length
41.69 inches
Material
Metal
Number of Pieces
31

🔥62HRC hardness for ultimate durability

🧲Magnetized tips for secure fastening

🛠️31 precision bits for every job

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Description

🛠️ Elevate your toolkit game—because pros don’t settle for less!

COMPACT ORGANIZED - Slide case design keeps your bits secure and accessible—because efficiency is the new cool.
MAGNETIZED PRECISION - Magnetized tips ensure every screw stays put—no slips, no frustration, just flawless fastening.
ALL IN ONE POWERHOUSE - 31 impact-rated torsion bits plus a 2 3/8" bit holder in a sleek slide case—ready for any challenge.
VERSATILITY MEETS SPEED - Includes a wide range of sizes and types (+, SL, SQ, T, PZ, H) to tackle industrial and home tasks with ease.
ENGINEERED FOR ENDURANCE - Crafted from VoHA material with a rock-solid 62HRC hardness, built to outlast your toughest projects.

The VESSEL IMPACT BALL 31 PC Torsion Bit Set delivers industrial-grade performance with 31 precision bits made from ultra-durable VoHA material hardened to 62HRC. Featuring magnetized tips and a convenient slide case, this set is engineered for professionals who demand reliability, versatility, and speed in every fastening task.

Specifications

ASIN	B08WHYFQYL
Best Sellers Rank	#48,537 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #185 in Screwdriver Bit Sets
Bit Compatibilities	bit holder
Bit Set Composition	Bit Set
Bit Tip Configuration	Magnetic Tip
Brand Name	VESSEL
Customer Reviews	4.8 4.8 out of 5 stars (513)
Drive Bit Application	industrial
Drive Bit Shank Style	Hex
Drive End Style	Hex Shank
Drive System	Hex
Finish Types	Unfinished
Included Components	Manufactuered Brand Product
Item Length	41.69 inches
Item Type Name	Tools
Item Weight	9.92 ounces
Manufacturer	VESSEL
Manufacturer Part Number	426115
Manufacturer Warranty Description	2 yr warranty on material and workmanship
Material Type	Metal
Model Number	IB31P02U
Number of Items	1
Number of Pieces	31
Set Name	31pc Bit Set
UPC	840921141310
Unit Count	1 Count

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₨1449

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In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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