【19" Gas Struts Lift Supports 230N】 Extended Length: 18.74 Inches (476mm), Compressed Length: 10.87 Inches (276mm), Force: 230N/52Lbs Per Strut. Note: DO NOT compress them by hands before installing, super strong and stiff！ 【Widely Application】Multiple sizes and strengths Spring gas struts for your choices,They can be widely used for toy box lid, TV cabinet door, RV bed storage, camper bed, trash bin, RV doors, chicken coop door, basement door, storage box, boat hatch, roof hatch, tool box or other custom projects;DIY creations. 【Package Contains】Package include 2 * struts, 6 * L brackets, 16 * nuts, Your DIY can create more possibilities for Gas Shocks, looking forward to your DIY creations! 【Strong & Safe Gas Shocks】180，000 times TUV Fatigue test，Precision steel pipe，High quality sealing ring，QPQ nitriding treatment，very safe and available for various harsh weather environments. 【18 Months Quality Guarantee】If the product is defective or damaged, we will provide replacement service. or any issues like your purchase or installation, or encounter any difficulties in the next 18 months, please feel free to contact RRTECHFORU at any time! RRTECHFORU gas spring has passed 180000 fatigue tests by German TUV and has been certified by EU CE, SGS, and other certifications. There are also numerous awards and certificates of various sizes both domestically and internationally.