Prohold
Technology: Holds 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.