Tamper-resistant security star (Torx) insert bit set for driving security fasteners found in automotive, mobile home, and lawn and garden equipment. Made from premium S2 tool steel for long service life with both common and case-hardened screws.

• 1/4" hex insert bits
• Sizes: T10, T15, T20, T25, T27, T30
• Includes magnetic bit holder for power and hand driver use
• Fits power screw guns, cordless drills, and quick-change adapters
• Also compatible with multiple-tip hand drivers
• Comes in plastic storage case