Compression Spring Heavy Duty Color Silver Stainless Steel Finish Plain Overall Length 4 in Outside Dia 1-15/16 in Wire Type Round Wire Dia 0.207 in End Type Squared and Ground Large Outside Dia 0.360 in Small Outside Dia 0.125 in Compressed Length 1.857 in Deflection @ Load 1.39 in Spring Rate 66 lb./in Meets/Exceeds ASTM A313 and AMS 5688 Package Quantity 10