TORQUE LOCK provides faster tool setup, more locking force, and easy release. Thumb screw provides user with a more convenient geometry for hand force, while providing clearance to generate more torque with the unique screwdriver through-hole design. Hardened jaws offer more gripping power and forged alloy steel provides maximum durability. Rust protection increases tool life by reducing corrosion. Overmold grips are durable and non-slip for maximum comfort and superior performance.