Compression Spring Precision High Carbon Steel Music Wire Finish Plain Overall Length 1 In Outside Dia 0.300 In Wire Type Round Wire Dia 0.026 In End Type Closed and Ground Compressed Length 0.229 In Load 3.05 Lbs Deflection @ Load 0.61 In Spring Rate 5 Lbs/In Meets/Exceeds ASTM A228 Package 5