Extension Spring, Type Utility, Material Standard Steel, Finish Oil, End Type Full Twist Loops, Overall Length 5-11/16", Outside Dia. 0.250", Wire Dia. 0.030", Fabric Sleeve Outside Dia. 0.33", Load (Lbs.) 1.68, Deflection @ Load 2.27", Spring Rate (Lbs./In.) 0.43, Meets/Exceeds ASTM A227/A228 and AMS 5112, Package Quantity 12Specifications: Item: Extension SpringType: UtilityMaterial: Standard SteelFinish: OilEnd Type: Full Twist LoopsOverall Length: 5-11/16"Outside Dia.: 0.250"Wire Dia.: 0.030"Fabric Sleeve Outside Dia.: 0.33"Load (Lbs.): 1.68Deflection @ Load: 2.27"Spring Rate (Lbs./In.): 0.43Meets/Exceeds: ASTM A227/A228 and AMS 5112Package Quantity: 12UNSPSC: 31161907California proposition 65 warning