等級
CK67 C67S SAE1070 SAE1075 C80S shutter spring size-1.0mm
1.00 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm shutter spring size-1.2mm
1.20 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm shutter spring size-1.3mm
1.30 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm shutter spring size-1.4mm
1.40 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm shutter spring size-1.5mm
1.50 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm shutter spring size-1.6mm
1.60 mm X 40 / 45 / 50 / 55 / 60 / 70 / 80 mm