Reinforced Head Design & Universal AdapterThe head of the car jack ratchet wrench adopts a reinforced design,the reinforced ratchet head is stronger and labor-saving,and can be used for scissor jacks with a thickness of 0.5cm/0.19 inches.In addition,jack ratchet wrench is equipped with a detachable conversion head,when the jack head is too large or double-headed, the jack and car jack wrench can be perfectly connected through the installation adapter, which has wider applicability. Not Easy To Fall Off & Head Reinforced Design &Forged With Thickened Steel & High Hardness & High Torque] Car jack ratchet wrench rod is tightly connected with the plastic handle, which is firm and not easy to fall off. It adopts Head Reinforced Design,which is partly longer than the original.Jack ratchet wrench is forged with thickened steel and is heat treated as a whole.It has the characteristics of high hardness, high torque,good toughness and rust resistance. Applicable To Travel/Tire Replacement & Small Cars Like s.edans/Suvs/Vans Jack WrenchJack ratchet wrench has a wide range of applications,and both men and women can easily use it.Jack wrench is suitable for small cars like S.edans, SUVs, Vans.(cars below 2T ), suitable for travel and tire replacement, and can help you quickly and easily replace tires and wheels. Positive And Reversal Knob Design & Easily Switch Rise And Fall & Easy To UseScissor jack wrench is suitable for matching with a scissor jack,the design of the Positive and Reversal knobs allows you to adjust the direction of the knob by pulling the knob,Complete the rise or fall operation,which is easy to use and simple to operate. How To UseInsert the jack handle into the hole of the handle socket. To raise load, use one hand to hold the front part of the handle and use the other hand to turn at the rear and of the handle clockwise. To lower load, use one hand to hold the front part of the handle and use the other hand to turn at the rear and of the handle counterclockwise slowly.