Wiha 75901 System 4 Magnetic Extension Blade

Wiha 75901 System 4 Magnetic Extension Blade - KC Tool
NOTE: The product title and description supersede the image shown. The picture provided by the manufacturer is not always exact. We may use the same image for multiple sizes of an item.

List Price: $6.34
(10 reviews) Write a Review
Stock Status:
Out of stock - contact us for lead time
System 4 Magnetic Extension Blade for 4mm Micro Bits. 105mm OAL.

Shaft CVM steel, hardened, corrosion protected.
Magnetic bit holder.

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Wiha branded tools are regarded as the most durable, best designed and highly innovative products around. Our tools are used by demanding professional tradespeople and tool aficionados alike. They are meant to be used and utilized often. However, if you are not happy for any reason return them within 12 months of purchase with proof of purchase and we will Repair or Replace.

Rest assured, if for some reason there is a defect in material or workmanship we will replace your tool free of charge for as long as you own the tool.

Failures due to misuse, abuse or normal wear and tear are not covered by this guarantee. We stand by our products with what we believe is the best No Hassle Guarantee in the industry.

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75-99mm (3.0-3.9 inches)
Individual Tools
Country of Origin:
Made in Taiwan

10 Reviews Hide Reviews Show Reviews

  • 5

    Posted by D on Mar 24th 2019

    I use these so that I can use microbits with my System 4 blade set. With this, the bit becomes the same length as the other blades in my set, and I can keep them all in the same pouch. This way I don't need a separate pouch for microbits. The fit and finish on these is excellent, and bits fit exactly with very little to no play. The bodies are microtextured, so they don't slip in the handles.

  • 5
    Very slim, well made

    Posted by Sam on Oct 2nd 2017

    I'm using this with an iFixit 4mm kit, and it works great. It's even slimmer than the included, shorter extension.

  • 5
    Love it!

    Posted by Nick Bell on Aug 19th 2016

    Great quality and fits much better than the cheap ones.

  • 5
    My favorite driver system.

    Posted by Brian Yonke on Apr 25th 2016

    This was a replacement for the handle and extension that I recently misplaced. Love the quality of the Wiha tools and don't mind paying the price.

  • 5

    Posted by Raslan Aljijakli on Oct 26th 2015

    I purchased this to be used with set of micro insert bits from WIHA. This is nice piece

  • 4
    Excellent extension but small gripe.

    Posted by Steven B. on Jul 23rd 2015

    Perfect for all Wiha System 4 handle drivers. Although when in use magnetism does NOT transfer to the bit end and allow you to magnetize small screws to the end of the bit. This would be really helpful for those pesky screws that need magnetism so they don't wander off.

  • 5

    Posted by Theo Latsis on May 17th 2015

    Typical excellent quality from wiha, very happy.

  • 4

    Posted by E. Johnson on Oct 24th 2014

    It's hard to find magnetic 4mm holders, so these work fine. There is about 1mm of rotation wiggle at the corners of the bit. When in the holder, bits are are held firmly but not magnetized enough to pick up another System 4 bit. - -

  • 5
    Solid extension, good magnetic hold

    Posted by Sam Wahid on May 29th 2014

    Good magnetic hold on bits. There is a tiny bit of play between the bit and the extension while turning, which is to be expected for a magnetic bit holder, I suppose. - - The magnet is not strong enough to magnetize the bit itself (a good thing in my case).