• Prohold Technology: Holds hex bit securely in socket, no roll pins, no set screws, no loosening, non magnetic, makes all other holding systems obsolete - Easily replace a bit without replacing the socket.
• Protanium High Torque Steel: up to 20% stronger, with more torque and twice the wear resistance of standard grades of steel.
• ProGuard Corrosion-resistant finish: environmentally safe, provides better tool grip, resists solvents and is 5 times more corrosion resistant than competitor finishes.
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