Compression Spring Heavy Duty Color Silver 302 Stainless Steel Finish Plain Overall Length 5/8 in Outside Dia 0.057 in Wire Type Round Wire Dia 0.007 in End Type Squared Compressed Length 0.188 in Deflection @ Load 0.21 in Spring Rate 1 lb./in Meets/Exceeds ASTM-A228 AMS 5112 Package Quantity 10