Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 2 In, Outside Dia 1/4 In, Wire Dia 0.029 In, Load 3.35 Lbs, Deflection @ Load 1.64 In, Spring Rate 1.64 Lbs/In, Meets/Exceeds ASTM A227, Package 12