[ 7.5 Inch Gas Struts ]: Force: 311 N/70Lbs 7 Inch per Strut, a pair of 2 shocks. Extended Length: 7.5", Compressed Length: 5.25". CANNOT be compressed directly by your hands. [ 70lb Gas Strut ]: Suitable for Sentry Safe box, Toolbox Lid, Toy Box Cover, Cabinet Door and so on. Interchage Number: 490070, C1618354, GS490070, ML3170, NI290070, NI490070, SE075P70, SL3170, SL31701, SL31705, SPCS75070, SPD290070, SPD490070 [ Sentry Safe Replacement Strut ]: Fit the cover or door or lid which the SIDE LENGTH is MORE THAN 17 INCH. And your project weight is 56lb~77lbs for each struts. If you are not confirm the item is okay, pls Contact Us Before Purchsing. [ Premium Gas Struts ]: Our products are suitable for various weather environments such as outdoor heavy rain and minus 104℉. As a excellent and reliable gas shock manufacturer, IAQWE always stand behind you to provide you with the strongest support [ What You Get ]: 2 x Gas Struts, 4 x mount bracket, 10 x screws, 1pc x installation guide. IAQWE offers 12-months support and 24-hours online tool box gas struts for lid 7in gas shocks lift supports master lift gas struts tool box hydraulic arms master-lift gas struts replacement parts for keter storage