We are proud of this best quality series. Please see the explanation on material, accuracy, hardness, and surface finish.
What is our original Taper Head Wrench that exceeds Ball Point Hexagon Wrench?
Please see the feature.
Although we classify these products as Standard Series, they are high-grade products for professionals. Please see the explanation for why they are "high-grade products for professionals".
Directions about TORX® and TORXPLUS.
Hexagon Screw Compatibility Table for hexagon wrenches (metric size / inch size)
TX Screw Compatibility Table for TX wrenches (including E-Type)
Table of adaptable equipment models for our bits
What is torque? How much is the maximum torque human hands can produce?
The graphic illustration and the chart provide a simple explanation for this.
Comparison Table of our Excellent Series, JIS/ISO guaranteed and MAX torque value
What is RoHS Directive?
You can see the meaning of the abbreviation, purpose and details of the regulation, and what is subject to the regulation.
The chart shows basic sizes for our L-Type wrenches (L1, L2).
easily understandable conversion chart of inches and millimeters, the units often used for tools
Inch / Millimeter
Explanation on “Precautions for Products” and "Wrench and Metal Fatigue". Please read this before use for the safe usage of our products.
This is a warning against producing and selling imitations of our products. Please be aware of some tricks often used for imitations explained here to be able to buy genuine products.
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