기능

• Special black dyeing is applied to the tip to achieve even stricter screw insertion accuracy.
• Tightening and loosening of hexagon socket head screws and hexagon socket head screws.
• 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.