기능

• Built-in ceramic ball that does not conduct electricity.
• in ceramics.
• Uses zirconia ceramic with high strength, high rigidity and abrasion resistance.
• Large nut that can be hammered.
• Cutting edge has high-precision black point processing.
• Elastic grip for strong tightening.
• This is not an insulated screwdriver. Please shut off the electricity for safety.
• This is a series image of the safety penetration driver.