Compression Spring Heavy Duty Color Dark Gray Music Wire Finish Plain Overall Length 2-1/2 in Outside Dia 55/64 in Wire Type Round Wire Dia 0.092 in End Type Squared and Ground Large Outside Dia 0.360 in Small Outside Dia 0.125 in Compressed Length 1.033 in Deflection @ Load 0.94 in Spring Rate 27 lb./in Meets/Exceeds ASTM A228 and AMS 5112 Package Quantity 10