Compression Spring Heavy Duty Color Silver 302 Stainless Steel Finish Plain Overall Length 3/4 in Outside Dia 1/4 in Wire Type Round Wire Dia 0.042 in End Type Squared and Ground Large Outside Dia 0.360 in Small Outside Dia 0.125 in Compressed Length 0.499 in Deflection @ Load 0.16 in Spring Rate 53 lb./in Meets/Exceeds ASTM-A228 AMS 5112 Package Quantity 10