Compression Spring Precision 302 Stainless Steel Finish Plain Overall Length 1 1/2 In Outside Dia 0.480 In Wire Type Round Wire Dia 0.055 In End Type Closed and Ground Compressed Length 0.565 In Load 13.19 Lbs Deflection @ Load 0.72 In Spring Rate 18.33 Lbs/In Meets/Exceeds ASTM A313 Package 5