Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 2 3/4 In, Outside Dia 7/16 In, Wire Dia 0.048 In, Load 8.03 Lbs, Deflection @ Load 2.07 In, Spring Rate 3.08 Lbs/In, Meets/Exceeds ASTM A227, Package 12