Sys 4 Micro Bit Adapter 4mm to 1/4" 25mm

I wanted to be able to use my larger driver handle with my 4mm precision bits because its much easier to manipulate than the small precision driver handles. It fits tightly in the driver chuck, and the 4mm precision bits fit tightly in the adapter with no wobble. The magnet in the base of the neck is strong and holds onto the small bits very well. Seems to be made of good quality steel. Wiha makes great products. I'll be buying a few more of these, I just wanted to get one to check them out first.

It worked well on my Victorinox Camp.

I have a lot of smaller bits for my electric pencil drill, whose torque is often not strong enough to tighten the screw all the way. This adapter, paired with the appropriate handle, lets me use my small drill bits manually. The magnetic strength is excellent, but no so strong that the bits can't be easily removed. My spouse, whose hand strength is better than mine, uses this adapter to tighten down all the screws in my metal models. Highly recommended!

I bought a little electric screwdriver from WallyWerld but it wouldn't work with my little micro-bits which I use frequently. I have really bad arthritis and it hurts like hell to sit and turn a screwdriver over and over.So now this thing sticks in by magnet into my electric driver and then the micro-bits stick in it by magnet!It's absolutely perfect for my needs and I may buy a second one for use with my little ratchet set so I don't have to swap they adapter back and forth. It was well worth the money and I'm very happy with it.100% would buy again and recommend to friends, family and random strangers.

Good quality. Mine is a flat anodized looking finish instead of the shiny one in the picture, but doubt that this makes any difference. The fit is pretty good. Got this to allow use of the 4mm mini bits in a powered screwdriver. Works great for that. After further research, I found that you can get this adapter as part of some of the mini screwdriver kits (https://www.amazon.com/gp/product/B015F734P0/ref=oh_aui_detailpage_o00_s01?ie=UTF8&psc=1) as an example. So I guess I’d lean toward spending $16 instead of $8, and end up with a whole set of bits as well. Not sure the quality on this alternative is as good but you don’t need to put a lot of torque on these little bits anyway.Delivery on this was very fast. It came in a nice little Ziploc bag to keep it from getting lost, good thing too because I might have had a hard time finding it in that big padded envelope. All-in-all though, I give it 5 stars for being exactly what it says it is, arriving fast, and being packaged well. And I’m happy it’s available at a decent price with “free” shipping.

A unadorned, simple bit adaptor designed to enable the use of a 4mm MicroBit driver in a 1/4" drive screwdriver or cordless drill. Seems solidly made and the MicroBits fit perfectly with no "slop" or play. Ultimately both durability and sturdiness will be determined over time. A little pricy, but ultimately worth it in convenience and time saved if the adaptor holds up as expected.

So, first of all, you folks managed to process and ship FASTER THAN AMAZON PRIME. To do this logistically takes a grade A professionalism.Second of all, I already own one of these from a separate kit, so I am hereby VERIFYING THIS PRODUCT TO BE 100% AUTHENTIC. The 'WIHA 758,', the specific weight, and the size all match authentic Wiha products. You are the real deal in shipping and in product!To clarify for those wondering, this adapts 1/4 inch (Nearly the American Standard) to microbits. Microbits are confusing - they are commonly used in computer work (why I have them, as an Apple Technician.) Microbits are supposed to be 4 mm straight up (as wera's are), but are often 3.96 mm in order to get around copyright laws: more common in cheap kits. Because this is for precision hand work, and the microbit is secured magnetically, this 0.04 mm makes no practical difference. This bit holder works perfectly in my Wera kraftform screwdrivers, and fits all microbits other than proprietary locking mechanism designs. Fits iFixit, fits both Wiha and Wera, and a number of off brand Chinese microbit kits (the more likely 3.96 mm bits). I am very please with this product and the service therein! Thank you again!

My tools are scattered all over the place. I spend more time looking for the one than could have paid my time if I would’ve bought a few of them.

Nicely constructed with a good magnet that holds my 4mm bits securely.Now I can use my 4mm bits with any 1/4” bit driver or accessory that I already own without buying one specifically for 4mm.Free shipping, WIHA quality & great price (<7cad) I’m pretty happy with this purchase.

Great if you have 4mm micro bits and need to use them in a 1/4 inch bit driver.Good quality.

A quality bit, coated well packaged see photo. Works like intended.

It perfoms as expected. Nothing really more to say.