Die Spring Extra Heavy Duty Color Red Oil Tempered Chrome Silicone Finish Plain Overall Length 7-7/8 in Outside Dia 1-9/16 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 0.3 Spring Rate 1 lb./in Meets/Exceeds JIS SWOSC-V ASTM A877