Compression Spring, Heavy Duty, Color Dark Gray, Music Wire, Finish Plain, Overall Length 2-1/2 In., Outside Dia. 55/64 In., Wire Type Round, Wire Dia. 0.098 In., End Type Squared and Ground, Large Outside Dia. 0.360 In., Small Outside Dia. 0.125 In., Compressed Length 1.132 In., Deflection @ Load 0.88 In., Spring Rate 34 lb./in., Meets/Exceeds ASTM A228 and AMS 5112, Package Quantity 10