... 24001-2004-ISO14001:2004 The SE350 and 500 Ton Casing Elevator/Spider Units are pneumatically operated power tools, capable of ... 4500kN(1,000,000 pounds) for the 500 ton unit. Unit HeightAmerican UnitsMetric500350500350Elevator with Bell Guide(Less Guide and Slip Assy ... Assy.)4,065 lbs3,400 lbs1,850 kg1,543 kg Unit HeightAmerican UnitsMetric500350500350Elevator with Bell Guide4338109.2 cm96.5 cmSpider ...