Features: Jacks specific sleeve, used with electric drill, easy to disassemble the jacks This socket is suitable for 90% of jacks, so there is no need to worry about compatibility issue. It is widely used in various car models and truly achieves the goal of not picking up jacks. It can be used in conjunction with electric drills, electric wrenches, and ratchets wrenches, with simple installation and flexibility to meet the needs of different occasions. Adopting aluminum casts iron and thickened design to ensures wear resistance and durability, reliable performances can be guaranteed for both household use and professional maintenance. Lightweight and easy to carry, convenient to store in the car, ready to respond to emergencies at any time, it is the ideal companion for every car owner. Specifications: Component:Aluminum casts Iron Size: 74mm/2.91'' connecting rod, 29mm/1.14'' head Used for: electric drill, electric plate hand and ratchets wrench Package Includes: 1Piece jacks Socket Adapter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.