1.Casing Elevator/Spider 2.type:SE 3.API Spec 8C ISO9001:2008 4.GB/T 28001-2001 5.GB/T 24001-2004-ISO14001:2004 The SE350 and 500 Ton Casing Elevator/Spider Units are pneumatically operated power tools, capable of handing casing sizes from 4 1/2 to 14 inches, with string loads of 3150kN(700,000 pounds) for the 350 ton unit and 4500kN(1,000,000 pounds) for the 500 ton unit. Unit HeightAmerican ...