The handle thickness of the car effortless jack ratchet wrench is 0.4 inches and the diameter is 0.98 inches. It can be used for scissor jacks with a thickness of 0.17 inches. The 360 ° rotating head ratchet wrench is sturdy and has lower labor intensity. The forward and reverse knobs are adjusted by pulling the knob to make it easy to move up or down. They are made of thick steel forging, undergo overall heat treatment, have high torque, good toughness, high hardness, and are durable. The wrench lever is tightly connected to the plastic handle, firmly and not easily detached. Simply insert the jack handle into the hole of the handle socket and push the handle clockwise to push the jack to the appropriate height, which is very suitable for travel and emergency wheel/tire replacement. With the help of a conversion head, this jack ratchet wrench can be perfectly matched with various types of cranes, making it easier to use. Very suitable for travel and emergency wheel/tire replacement, suitable for small cars such as sedans, SUVs, trucks, etc., not suitable for trucks.