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Availability:
In Stock.
Arrives
Saturday, Oct 3
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Features
- Works with items over 1.35" in length and 1/8" or 3mm diameter
- Uses powerful c8 permanent industrial ceramic magnets
- Enables easier handling of fasteners in tight spaces
- Enables you to leave one free to position a workpiece
- Dimension are 2 x 2 x 1.125 - Inches
- Shatter proof box is made from high quality plastic
- Uses 2 C8 industrial permanent magnets
- No batteries or electrical required
- Instantly magnetize or demagnetize steel tools and small parts
- Pocket sized 2 by 2 by 1
Description
Wiha 40010 | Magnetizer Demagnetizer , Black From the Manufacturer Wiha 40010 magnetize or demagnetize steel screwdriver blades, tweezers and similar tools. Box high quality plastic, shock resistant, green and cadmium free.
Material: Blend
Brand: Wiha
Product Dimensions: 2.01"L x 1.89"W x 1.14"Th
Color: Black
Shape: Rectangular
Brand Name: Wiha
Number of Items: 1
Manufacturer: WIHA
UPC: 043953895736 797267766885 640026866626 757073074529 044907696898 636123540989 084705400105 729198184629 043941095773
Unit Count: 1 Count
Number of Packs: 1
Global Trade Identification Number: 05
Included Components: Magnetizer/Demagnetizer
Item Type Name: Magnetizer/Demagnetizer, 2.1 in x 2 in x 1.1 in
Item Weight: 0.09 kg
Model Number: 40010
Part Number: 40010
Warranty Description: Backed by the Wiha No Hassle Guarantee
Material Type: Blend
Pull Force: 4.8 ounces
Item Dimensions L x W x Thickness: 2.01"L x 1.89"W x 1.14"Th
Item Thickness: 2.9 centimeters
Number of Pieces: 1
Color: Black
Shape: Rectangular
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Oct 3
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Magnetizing Made Simple – Handy Little Tool for Any Toolbox The Wiha 40010 Magnetizer/Demagnetizer is one of those deceptively simple gadgets that ends up being used far more often than you’d expect. I grabbed it to help with small electronics and household repair projects, and it’s quickly become a staple in my toolbox. What I like most is how straightforward it is. Need your screwdriver tip to hold onto tiny screws? Just a quick pass through the magnetizer side and you’re set. When you don’t want a magnetic tip—like when working near sensitive electronics—the demagnetizer side does the job. It’s small enough to toss into a pocket or a corner of a toolbox, but it feels solid and well-made, like most Wiha tools I’ve used. The magnetizing function works instantly and reliably, and the charge seems to last a good while. The demagnetizing function can be a little less intuitive at first, but with a slow pull through the notched side, it works as intended. There are no moving parts, no batteries, and nothing to break—just a block of durable plastic with a strong internal magnet system. Something to keep in mind: the size might be smaller than you’d expect from the photos, but that’s actually a plus for portability. Also, if you’re trying to demagnetize something very strongly magnetized, it might take a couple of passes. Bottom line: A cheap, compact tool that pays for itself the first time it keeps a screw from falling into a hard-to-reach spot. For anyone who works with hand tools—even just occasionally—this is a smart little addition to the kit.
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Reviewed in the United States on August 24, 2025 by Everyday Reviews
For the $7 or so that this costs, it's a must have. There's plenty of reviews so I'll just say the following about the few that complain like crazy about the demagnetizer -- someone mentioned this in a review, but most reviews don't -- the demagnetizer won't remove strong permanant magnetic fields. That means any nice tools with a strong permanent magnet will not be affected. This device works on paramagnetism. And it is not a large device either. So it works better on small tools, and those tools generally have to be either really weakly magnetic (like a really bad magnet) or just not magnetic by their design. If the tool is small enough and fits those criteria, then this device will work. Paramagnetism works by inducing a magnetic field around "non-natural" materials that become temporarily magnetic when the strong force of a set of magnets creates a universally distributed/directional field. If you just leave it be, depending on how weak the tool is, it will demagnetize on it's own -- again, no magic here, just science :) As far as the demagnetizer, well I suspect many people are trying to use it to demagnetize all their tools, including ones with good, permanent ferromagnetic properties. In that case, you won't do much with this thing - it is not meant to disrupt or 'compete' with a permanant magnet. The demagnetization is harder than the magnetization by design; it is usualy harder to remove a magnetic field especially if you do it right after inducing one with a device this small. However, it does the trick if the tool was completely "non-magnetic" before magnetizing. But for $7, who can complain? This is a really good device to have and it works better on small tools. It does the trick well especially on ESD-safe tools (smaller ones) that are purposely designed to be as non-magnetic as possible with the materials (and without external forces like this magnetizer!) -- and for ESD-safe devices I have had consistent success magnetizing and demagnetizing as needed.
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Reviewed in the United States on October 1, 2016 by Shikhir Arora
These work great as long as you use them smartly and understand a little about the physics involved with magnetism. Very easy to magnetize and it will put a pretty decent "charge" on even larger screwdrivers if you do it right. Demagnetizing is often tricky even when you know how to do it the right way, but the best advice is to work down the shaft and work slowly, then slowly pull it away toward the "off" side (to the right as viewed from the printed front). Sometimes you get it and sometimes you need to try again, but it'll work. Sometimes you may have a tiny residual charge but it can be removed. Great tool for the bench or box. These are inexpensive enough that the other china-cheap models around now aren't at any advantage really, and the Klein model leaves a lot to be desired other than its size. Mine came black...the traditional green casing seems to be gone for good now.
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Reviewed in the United States on February 19, 2020 by J Osborne
The Wiha 40010 Magnetizer Demagnetizer has proven to be a practical and versatile addition to my toolkit. It's compact design and proper functionality have not only streamlined my tasks but also captured the interest of my coworkers. I was so impressed by its performance that I decided to share the benefits with my colleagues by gifting them their units. In this review, I'll elaborate on why the Wiha 40010 is a tool worth having and why it makes for a thoughtful gift. Efficient Magnetizing and Demagnetizing: The Wiha 40010 Magnetizer Demagnetizer's ability to magnetize and demagnetize screwdriver bits and tips is highly efficient. Its reliable performance ensures that I always have the right level of magnetic strength for different tasks. This adaptability has improved my precision and speed in various projects. Compact and Portable: The compact size of the Wiha 40010 makes it a convenient tool to carry around. Its portability allows me to bring it to different workspaces quickly and ensures that I always have the option to magnetize or demagnetize my tools whenever necessary. Time-Saving Convenience: The convenience of the Wiha 40010 cannot be overstated. With a simple swipe through the tool, I can quickly change the magnetic state of my screwdriver bits, eliminating the need for multiple devices or time-consuming processes. This efficiency has translated into time saved during my projects. Enhanced Professionalism: Using the Wiha 40010 Magnetizer Demagnetizer has elevated the level of professionalism in my work. Its ability to securely hold screws and prevent accidental drops has contributed to cleaner and more accurate results. The tool's contribution to the final product has not gone unnoticed by my colleagues. Thoughtful Gift: My decision to gift the Wiha 40010 to my coworkers was met with appreciation and enthusiasm. Its practicality and usefulness make it a thoughtful and valuable gift for anyone who regularly works with tools. Seeing their positive reactions reinforced my belief in the tool's widespread appeal. Durability and Quality: Wiha is known for producing high-quality tools, and the Wiha 40010 Magnetizer Demagnetizer is no exception. It's sturdy construction and durable materials ensure it will withstand frequent use and perform reliably over time. Conclusion: The Wiha 40010 Magnetizer Demagnetizer has proven to be an indispensable tool in my toolkit, and its positive impact has also extended to my coworkers. Its efficient magnetizing and demagnetizing capabilities, compact design, time-saving convenience, enhanced professionalism, and quality construction make it a tool that delivers on its promises. Whether for personal use or as a thoughtful gift, the Wiha 40010 is a tool in every DIY enthusiast's collection, offering practicality and versatility that enhance the overall quality of work.
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Reviewed in the United States on August 5, 2023 by Sam
When I was a young, I remember my dad showing me how to use a strong magnet to magnetize non-magnetized screwdrivers. It took a fair amount of time, and the end result was a screwdriver that wasn't very strongly magnitized. Thus, my hopes for this device were not super high. Nonetheless, the reviews were extremely positive, so I decided to give it a shot. I'm so glad I did! This is a very, very cool device. It's utterly amazing how quickly the bits can be magnetized and demagnetized. Even a very quick, single pass can adequately magnetize the tip of a screwdriver. Similarly, if the screwdriver didn't spend a long amount of time in the magnetizing slot, a very quick pass will similarly demagnitize it. After researching a bit, I learned what the steps in the demagnetize slot are for. When a device is more strongly magnetized, you are supposed to start your tool on the highest step, then slowly work your way down to the bottom (I find slowly rotating it during this is also helpful). It seems to do a great job demagnetize things that were magnetized with this device. However, I do suspect that some tools that came magnetized from the factory will require a stronger electrical degaussing coil (you can buy or even make one pretty easily, if you have this need.) As for fit and finish, this device is very high quality, as one would expect from Wiha, yet is priced surprisingly affordably. As far as its ability to securly affix itself to metal surfaces: Some people have said the magnets are strong enough to hold the device firmly to metal surfaces, while others that say they are not not. I must report that the one I received is in the "not" camp. It was unable to hold itself securely when I tried it on a toolbox and on the refrigerator; it just slid right down. Not really a huge deal to me, but it is worth noting.
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Reviewed in the United States on April 23, 2018 by treesap
You really need an electronic or powered device to provide the correct magnetic field because it loses it almost in one day with this device like any other that doesn't use the power
Reviewed in the United States on May 24, 2026 by Greg E
We were able to magnetize a low profile box ranch just enough to hold in a ferrous nut that was hiding behind a panel. Made our lives a lot easier. Really glad we picked this one up. It magnetizes screwdrivers so easily.
Reviewed in the United States on August 17, 2026 by Lauren Casapulla
Everyone or every tool drawer or every garage should have one of these.
Reviewed in the United States on September 13, 2026 by Carl