These Irwin Impact Performance Series insert bits are engineered for use with impact drivers, delivering exceptional durability under high-torque conditions. The precision-machined tip geometry provides a secure fit in Phillips fasteners to reduce stripping and cam-out.

• Impact-rated S2 steel construction withstands high torque
• Precision CNC-machined tip geometry for secure fastener fit
• Black oxide finish resists corrosion and extends bit life
• Optimized torsion zone absorbs impact driver shock
• 1/4-inch hex shank fits standard impact driver chucks
• #2 Phillips size fits most common screw heads
• 1-inch length ideal for general fastening applications
• 2-pack for convenient backup