Feature: Gas Springs printed a waterproof material on the surface, dustproof, easy to clean. Easy to install with simple tools in just a few minutes. Made of good quality, durable and strong support for long-time use. A good replacement for the broken lift support struts. This is a non-OEM product, accessory only! Specification: Material: Carbon Steel Color: Black Placement on Vehicle: Rear Hatch Extended Length: 52.5cm/ 20.69" Compressed Length: 33.5cm/ 13.19" Housing Diameter: 22mm/ 0.87" Connecting Rod Diameter: 10mm/ 0.39" OE Number:689600E021/689500E021Fitment:for Lexus RX350 Base 3.5L V6 - Gas 2007-2009Note: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 Lift Supports Struts