Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 6 In, Outside Dia 1/2 In, Wire Dia 0.063 In, Load 16.80 Lbs, Deflection @ Load 3.25 In, Spring Rate 10 Lbs/In, Meets/Exceeds ASTM A227, Package 3. This item has been restricted from sale in the following state (s): []