Die Spring Extra Heavy Duty Color Red Oil Tempered Chrome Silicone Finish Plain Overall Length 1-13/16 in Outside Dia 5/16 in Wire Dia N/A End Type Closed and Ground Large Outside Dia 0.360 in Small Outside Dia 0.125 in Compressed Length N/A Deflection @ Load 0.24 Spring Rate 9 lb./in Meets/Exceeds ASTM A313 AMS 5688 Package Quantity 10