Die Spring Extra Heavy Duty Color Brown Oil Tempered Chrome Silicone Finish Paint Overall Length 3-15/16 in Outside Dia 1-3/8 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 Spring Rate 100 lb./in Meets/Exceeds JIS SWOSC-V ASTM A877