Features: [Upgrade Workmanship] Compared to the ordinary lift support struts, the buffering and shock absorption effection of our gas struts are better, quieter and smoother, and will not make any noise when working. A good support gas strut can bring you higher efficiency and more convenient work when checking vehicles. Our Vehicle Lift support Struts is made of durable Carbon Steel material, which is strong to support any lid and not easy to deform. Easy to install with simple tools in just a few minutes. No need other special tool. A good replacement for the broken and demaged lift support struts. This is a non-OEM product, accessory only! Specification: OE Number: A4519880004 Placement on Vehicle: Tailgate Color: Black Material: Carbon Steel Fitment:for Smart Fortwo Coupe 451 All Engine Coupe 2007-2014Note:If the temperature is lower than minus 20 degrees, the oil density of gas spring turn high (frozen), and it is difficult to press down.Package Included:2 Pcs Tailgate Lift Supports Struts