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The Yamashita Industrial Research Laboratory Koken 3/8 (9.5 mm) SQ. Attack Driver Set AN318A is a professional-grade 6-piece screwdriver bit set featuring a robust 9.5 mm square head design. Housed in a compact metal case measuring 7.83 x 2.72 x 1.97 inches and weighing just 2.42 pounds, this set is engineered for precision, durability, and portability. Ideal for furniture assembly, home improvement, and electronics, it combines trusted Ko-ken craftsmanship with practical versatility.
| ASIN | B003B391AS |
| Best Sellers Rank | #463,883 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,859 in Screwdrivers #2,100 in Screwdriver Sets |
| Brand | Ko-ken |
| Brand Name | Ko-ken |
| Color | Silver |
| Customer Reviews | 4.6 out of 5 stars 107 Reviews |
| Global Trade Identification Number | 04991644214235 |
| Head Size | 9.5 mm |
| Head Style | Square |
| Included Components | No |
| Item Dimensions | 7.83 x 2.72 x 1.97 inches |
| Manufacturer | 山下工業研究所 |
| Manufacturer Part Number | AN318A 6Pcs |
| Material | Metal |
| Material Type | Metal |
| Model Number | AN318A 6Pcs |
| Number of Items | 6 |
| Recommended Uses For Product | Electronics Item, Furniture Assembly, Home Improvement |
| Set Name | Ko-ken AN318A 3/8 Sq. Dr. Attack Driver Set |
D**H
Best impact driver I’ve ever used
I’ve had many other cheapo impact drivers that were just mediocre, they were never great. This KoKen is so much different, it works flawlessly every time. Superior quality and precision. This will remain in my tool arsenal for life.
C**O
Awesome product
High quality! It is top notch. I will use it and I know it will last many years
A**R
Superior product
So much better then any other manual impact. well worth the money
M**E
Awesome works great
Sturdy saved me time on a bolt extraction & brakes.
S**D
My first impact screw driver
Great tool, very handy for seized license plate screws and screws on rotors.ive used a cheaper one and a tool truck one and this one beats both.
A**�
Great product
Well made, i owned different brand but this one looks a lot better. The build quality looks a lot better and it will last for awhile. I definitely recommend this product.
M**T
First Class Impact Driver
I've used tools like this for decades. Anyone new to these tools should first buy a cheap impact driver and find a neighbor with a boat trailer that goes out a lot. After a little practice move up to this tool that has a good feel for loosening stuck fasteners. Use this tool to turn a stuck fastener 1/8 turn, then use conventional methods to get it the rest of the way. Top drawer tool. Use with care, gloves and glasses.
T**M
Koken is always good!
Works lovely and Japanese quality!
よ**ち
早く買えばよかった
緩みました
R**E
Highly Effective On Stuck Fasteners
Fantastic tool. Hasn’t yet failed to remove JIS screws without any damage to heads from carbs, frame, etc on Kawasaki motorcycle that sat under a tarpaulin for 22 years. Few taps with copper mallet on the driver and they’re out.
A**R
Quality and price.
Top quality. Ko-Ken make really good tools will be looking to try and purchase more.
サ**活
評判通り！
評判通り良い製品だと思います。SPDペダルの硬いネジも一発で緩みました。あまりに呆気なく、この数回のためにこの値段と思う瞬間がありましたが、今後も大事に使っていきたい工具の一つになりました。
M**H
流石はこの分野じゃトップブランド！
流石はこの分野じゃトップブランド！
Trustpilot
3 weeks ago
2 weeks ago