Compression Spring Heavy Duty Color Dark Gray Music Wire Finish Plain Overall Length 13/64 in Outside Dia 0.088 in Wire Type Round Wire Dia 0.008 in End Type Squared Compressed Length 0.055 in Deflection @ Load 0.10 in Spring Rate 4 lb./in Meets/Exceeds ASTM-A228 AMS 5112 Package Quantity 10