Compression Spring, Precision, High Carbon Steel Music Wire, Finish Plain, Overall Length 2 In, Outside Dia 0.720 In, Wire Type Round, Wire Dia 0.072 In, End Type Closed and Ground, Compressed Length 0.686 In, Load 22.6 Lbs, Deflection @ Load 1.13 In, Spring Rate 20 Lbs/In, Meets/Exceeds ASTM A228, Package 5