Extension Spring, Cot, High Carbon Steel, Zinc Plated, End Type Machine Hooks, Overall Length 2 1/4 In, Outside Dia 3/4 In, Wire Dia 0.105 In, Load 0.27 Lbs, Deflection @ Load 18.11 In, Spring Rate 63.47 Lbs/In, Meets/Exceeds ASTM A227, Package 6. This item has been restricted from sale in the following state (s): []