From RS PRO, this System Zero® driver bit has a half-inch hexagonal shaft that is compatible with many driver handles and square drive adaptors. System Zero is similar to TORX screws in that is typically used in tamper-resistant or security applications.
The driver bit is made of chrome vanadium steel, which assures a degree of protection against corrosion, as well as a durable construction that promises a long and reliable tool life.
Features and Benefits
• Hexagon shaft section (1/4 in across flats)
• Specially designed for System Zero tamperproof screws
• Long-life durable construction
