Extension Spring, Utility, High Carbon Steel, Zinc Plated, End Type Crossover Center Loops, Overall Length 2 In, Outside Dia 5/16 In, Wire Dia 0.029 In, Load 2.61 Lbs, Deflection @ Load 2.49 In, Spring Rate 0.87 Lbs/In, Meets/Exceeds ASTM A227, Package Qty 12