Compression Spring Precision 302 Stainless Steel Finish Plain Overall Length 3/4 In Outside Dia 0.720 In Wire Type Round Wire Dia 0.063 In End Type Closed and Ground Compressed Length 0.284 In Load 12.92 Lbs Deflection @ Load 0.47 In Spring Rate 27.49 Lbs/In Meets/Exceeds ASTM A313 Package 5