BOXI 2 Pcs Tonneau Cover 4568 Lift Supports Extended Length 29.50 inches, Compressed Length 17.50 inches, Force 85 Lbs, 1/2" Ball Socket Metal Ends, PM2048,716821,SE1200M80PS100 Vehicle Location - Snug Top Tonneau Cover (PLEASE DOUBLE CHECK THE SIZE OF BALL STUD) Extended Length [in] 29.50 , Compressed Length [in] 17.50 Force (lbs) 85.00 Body End Description Ball Socket Long Cup (Steel) Type=13mm=1/2"=.50" (PLEASE DOUBLE CHECK THE SIZE OF BALL STUD) Shaft End Description Ball Socket Long Cup (Steel) Type=13mm=1/2"=.50"(PLEASE DOUBLE CHECK THE SIZE OF BALL STUD) BOXI is a leading of high-quality Auto parts. The company has providing improved technology and outstanding performance solutions for domestic passenger cars, SUVs, trucks. BOXI offers a wide range of revolutionary products like premium shocks and struts. Our primary business is that of lift supports,  each support is tested to perform as well as the original units and in many cases to exceed the manufactures specification. Depending on the item(s) you purchase and the location to which the items will be delivered, different shipping methods are available. Extended Length [in] 29.5 Compressed Length [in] 17.5 2pcs <span class="a-text-bold">Tonneau Cover</span> Lift Supports