Mr. Pen- Voltage Tester, Electrical Tester, Non Contact Voltage Tester, Tester Electric, Electric Tester Pen, Voltage Detector, Electrical Testers, Voltage Tester Pen, Electricity Tester, Power Tester sold2025 Read more Note: The picture

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Big round domed head designed to eliminate the need for a washer

High-tensile strength steel for better torque and durability

Clean Cut & Excellent Edge-Grinding: The design of flutes

Cutting edge length/flute length

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