Compression Spring Precision High Carbon Steel Music Wire Finish Plain Overall Length 1 1/2 In Outside Dia 0.600 In Wire Type Round Wire Dia 0.063 In End Type Closed and Ground Compressed Length 0.552 In Load 18.48 Lbs Deflection @ Load 0.77 In Spring Rate 24 Lbs/In Meets/Exceeds ASTM A228 Package 5