★★ 【Extend length】 -Precision-engineered to seamlessly replace worn or damaged Bonnet lid gas springs ★★ 【Easy to install】 -measure the distance for installation, fix mounting brackets, and then press on the new gas spring on the installation position.Package included: 2 Pcs Lift Supports Strut. ★★ 【High Quality】 -powerful enough to support. With it's protected by leak-proof piston seals and rust protection, the struts remains in excellent condition even in harsh environments. They are impossible to compress by hand, ensuring long-lasting performance. ★★ 【Many Kinds】 -For Benz SL (R231) [2012-](OEM.A2319800164)-77.2cm We provide different springs with different pressure to meet your different needs. ★★ 【Support】- If any questions or dissatisfactions before/after purchasing or need installing/using guide, please message directly to let us provide in-time assistance to you.