Extension Spring, Utility, 302 Stainless Steel, Plain, End Type Crossover Center Loops, Overall Length 3 1/4 In, Outside Dia 7/16 In, Wire Dia 0.048 In, Load 8.50 Lbs, Deflection @ Load 3.28 In, Spring Rate 2.1 Lbs/In, Meets/Exceeds AISI 302/304 and ASTM A313, Package 6. This item has been restricted from sale in the following state (s): []