Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 2 3/4 In, Outside Dia 3/8 In, Wire Dia 0.048 In, Load 9.53 Lbs, Deflection @ Load 1.44 In, Spring Rate 4.96 Lbs/In, Meets/Exceeds ASTM A227, Package 6