Description: 【Product Type】: Automobile trunk spring automatic lifting device,Made of high carbon steel alloy material, strong and durable. 【Function】: This spring is very practical and helps to avoid opening the car trunk by hand. 【Trunk Lid Return Spring】: The opening height of the car trunk depends on the length of the spring. 【Features】: This spring has an adjustable design, The length of the shortest locked state: 15cm/5.91inch, Maximum Length: 24cm/9.45inch (retractable), you can adjust the length by yourself. 【Easy to install】: Just hang it on the trunk of your car. Specification: Please note: This product is only suitable for sedans with no hydraulic lever on the tailgate. Not suitable for hatchbacks, , SUVs, etc. with hydraulic levers on the rear lid Size Chart: The length of the shortest locked state: 15cm/5.91inch Maximum Length: 24cm/9.45inch Package Includes: Optional: Style A: 1 Car Boot Lid Lifting Spring 1 clamp 1 screw Or Style B: 2 Car Boot Lid Lifting Springs 2 clamps 2 screws Note: Please allow slightly errors due to manual measurement and different monitors.