The lug nut labor saving wrench offers a practical, performance solution for tire changes across a range of vehicles. Three Socket Sizes: Includes 17 mm, 19 mm, and 21 mm sockets, enabling versatile compatibility with cars, SUVs, and heavyduty trucks. Powerful Torque Output: A 1:16 gear ratio torsion multiplier design delivers up to 680 Nm of torque, effortlessly loosening stubborn and rusty tire nuts. Userfriendly Design: Quick to set up and easy to operate, suitable for both professional mechanics and enthusiasts, making tire changing smooth and effortless. Enhanced Handling: The threaded handle design increases friction to prevent slipping, providing a secure grip during tire changes. Includes a sturdy plastic case for convenient storage and transport. Practical Applications: Ideal for roadside tire changes on cars and SUVs; useful in workshops for routine maintenance or tire replacement; capable of handling lug nuts on heavyduty trucks.