BOXI 2 Pcs Tonneau Cover 4567 Lift Supports Extended Length 26.32 inches, Compressed Length 16.08 inches, Force 85 Lbs, 13mm(1/2") Ball Socket Metal Ends, PM2047,4567,SE1024M80BL Extended Length [in] 26.32 Compressed Length [in] 16.08 Force (lbs) 85.00 End Description Ball Socket Cup (Steel)=13mm=1/2"=.50"(PLEASE DOUBLE CHECK THE SIZE OF BALL STUD) *** IMPORTANT*** TO VERIFY FITMENT. Please See Product Description, BOXI Auto Parts is THE MANUFACTURER and THE ONLY RESELLER of BOXI Lift Support ON Amazon. BOXI is a leading manufacturer 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. Items will be shipped same day or by next business day (unless otherwise noted), depending on the time of day the sale closes. Depending on the item(s) you purchase and the location to which the items will be delivered, different shipping methods are available. 2pcs <span class="a-text-bold">Tonneau Cover</span> Lift Supports