Compression Spring Heavy Duty Color Silver 302 Stainless Steel Finish Plain Overall Length 9/16 in Outside Dia 0.088 in Wire Type Round Wire Dia 0.012 in End Type Squared Compressed Length 0.235 in Deflection @ Load 0.18 in Spring Rate 4 lb./in Meets/Exceeds ASTM-A228 AMS 5112 Package Quantity 10