기능

• Proguard processing has more than 5 times the corrosion resistance of general black dyeing processing.
• Work to tighten and loosen bolts with star tamper-proof holes and set screws with star tamper-proof holes.
• Uses a protenium alloy steel and has excellent tensile strength.
• Since the intersection of the hexagonal wrench and the bolt is set to 0.0127 mm or less, it is very hard to lick.
• The case that holds the hexagonal wrench has a lock function, so it won't fall apart even in the tool box.