Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 8 In, Outside Dia 3/8 In, Wire Dia 0.048 In, Load 10.20 Lbs, Deflection @ Load 6.00 In, Spring Rate 1.27 Lbs/In, Meets/Exceeds ASTM A227, Package 6