SF series SF series SF series M2022-03-18T12:01:34+01:00Tagi: JIS B5012, SF 10, SF 12, SF 14, SF 16, SF 18, SF 20, SF 22, SF 25, SF10, SF12, SF14, SF16, SF18, SF20, SF22, SF25| Extra light deflection springs (JIS B5012)
