• DoubleLok Technology™ ensures both ends of bit lock securely in impact drivers and quick-change chucks, enabling use of a single bit to remove stripped, damaged or rusted screws and small bolts in three easy steps: drill, flip bit, and extract
• Manufactured with M2 high speed steel and extra-hardened for maximum durability and long life with impact drivers
• Tip of drill end is designed to start fast with minimal walking, and tip of extractor end is serrated for increased torque to remove even the toughest bolts and screws
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