TORQUE RANGE - The Olsa Tools torque screwdriver set is constructed with a range of 10 - 50 in-lb with accurate torque specs with ±6% accuracy through the entire torque range and includes a 1/4-inch female hex drive. T-BAR INCLUDED FOR HIGH TORQUING - Use the included t-handle, which attaches to the end of the torque screw driver, for extra leverage on those high-torque applications. FINE TUNE YOUR TORQUE SPEC - Use the user-friendly adjustment knob to fine-tune your torque spec in extra fine 1 inch-pound increments for maximum accuracy. OLSA TOOLS TRUST - Our commitment to quality is the reason why tool fanatics like you keep coming back to us for more. All socket organizers from Olsa Tools are backed by a limited lifetime warranty that protects your investment against any manufacturer defects.