Features: 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: 645309/13284105/132083/208789/277003/31268/430719115400/444077/49237/8163477 Placement on Vehicle: Tailgate Color: Black Material: Carbon Steel Fitment: for Opel for Astra J GTC 1.6 Turbo (08) 2011-2013 for Opel for Astra J GTC 1.7 CDTI (08) 2012-2013 for Opel for Astra J GTC 1.7 CDTI (08) 2012-2014 for Opel for Astra J GTC 1.8 (08) 2011-2013 for Opel for Astra J GTC 2.0 OPC Turbo (08) 2012-2018 for Opel for Astra J GTC 2.0 CDTI (08) 2012-2015 for Opel for Astra J GTC 2.0 BiTurbo CDTI (08) 2013-2015 for Opel for Astra J GTC 1.6 CDTI (08) 2014-2018 for Opel for Astra J GTC 1.6 SIDI (08) 2013-2018 for Opel for Astra J GTC 1.6 CDTI (08) 2014-2018 Note: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: 1 Pair Lift Supports Struts