[Parameter]: Extended length: 18in, Compressed length:10.5 Inch. 60 Lb / 267 N per strut, 2 PACK. PACKAGE INFORMATION: 18 inch 60 lbs Gas Strut Spring Shock X 2; Installation guide X 1 [OEM Number]:SE180P60 these parts number fit18 inch 60 lbs struts [About Install]: Easy to install without any special tools requiredm, We have gas strut installation online service and installation manual to guide quick installation in minutes. After installation, the WINDOW can be lifted easily. [Use Scenarios]: Replacement parts of the are camper shell window leer truck topper cap snugtop parts, Note: DO NOT compress them by hands before install [Don't Worry]: PAMAGOO will provide you with professional customer service before and after your purchase and offer 18-MONTHS support. Pamagoo Gas Spring Struts: Need to prop open a door, cabinet, barrier, or even a car?Your gas struts are construction grade and do all the heavy lifting so you can focus on the real work.Easy Fit & Removal: Plates fitted to each end of your gas springs can easily be fitted and removed to any surface. Best Uses: leer camper shell struts pamagoo gas struts spring accessories canopy shell window springs lift support gas shock back struts for a.r.e. camper truck captruck cap gas struts truck topper partsFeatures: safe and smooth So, What’re You Waiting For? Let your new gas springs do the heavy lifting for you while you can crack on with the job at hand, unhindered and well-executed, click "Add To Cart" Now!