... fast delivery,good services D.ODM\OEM acceptable Specification for Compression Spring Model:C-058Wire Diameter:8. ... available as follows;Shock Stroke: 2.75" ,3.0", 3.5"Spring Rate: 200, 250, 300, 350, 400, 450, 500, 550lbsSpecification for Torsion Spring ... Union,MoneyGram Specification for Heavy Duty Torsion Spring Model:T-856Wire Diameter:8.0mmMaterial:Spring SteelWeight500gLeg Length:165mmInside ...