Manufacturing
Ko-ken Tools manufactures Sockets by hand, piece by piece in small quantity production runs of 300-500 pieces. Our attention to detail produces the highest quality Sockets with stable dimensional accuracy. Because of our loyal customers, we have grown our business to over 7000 standard products.
Each year the product line expands due to customer requests for custom tools, many of which are added to our standard products over time.
CUSTOM Tools
- We provide a detailed drawing with every custom socket request
- Lead time is 8 - 10 weeks ARO
- Prices close to standard products for quantities of 50 or more
Interested in a custom tool? Contact us today with your requirements...
Z-SERIES
The Ko-ken Z-Series Collection
Koken Z-Series is designed for lower profile applications in difficult to get to locations. As an expert maker, we have been manufacturing socket wrenches for half century, and give our know-how and enthusiasm on them. Here we provide Z-series as next generation mechanic standard of socket wrenches.

Friendly Support
Free Shipping
within USA
Secure Online
Payment
Money-back
guarantee