Compression Spring Precision 302 Stainless Steel Finish Plain Overall Length 1/2 In Outside Dia 0.180 In Wire Type Round Wire Dia 0.018 In End Type Closed and Ground Compressed Length 0.132 In Load 1.46 Lbs Deflection @ Load 0.25 In Spring Rate 5.83 Lbs/In Meets/Exceeds ASTM A313 Package 5