Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 4 In, Outside Dia 3/8 In, Wire Dia 0.048 In, Load 13.82 Lbs, Deflection @ Load 4.00 In, Spring Rate 2.97 Lbs/In, Meets/Exceeds ASTM A227, Package 6. This item has been restricted from sale in the following state (s): []