Description:Cat® Gas Spring contains compressed gas in a cylinder and uses a piston to exert force. Cat® Gas Spring are used to allow reduced force release or full extension of a piston and rod combination. With in-house testing and performance history tracking for use in specific applications, you can count on Cat® springs for consistent loads, resulting in superior reliability and functionality in your machine. Cat® Gas springs are manufactured to precise specifications and are built for durability, reliability, and productivity for the lifetime of your machine. You can trust Cat® Springs to help you build it, maintain it, or fix it. No other company knows your equipment like we do — trust in Cat®.Open Length : 802 mm (31.5 in)Closed Length : 452 mm (17.8 in)Stroke Length : 350 mm (13.8 in)Application:Cat® Gas Spring are used in operator seat of Cat® Machines. Consult your owner's manual or contact your local Cat® Dealer for more information.