Load index: less load (yellow) < light load (blue) < medium load (red) < heavy load (green) <X heavy load (brown)
- Yellow Spring (light and light load): can be compressed to 42% of the total length.
- Blue Spring (light load): can be compressed to 52% of the total length.
- Red Spring (medium load): can be compressed to 62% of the total length.
- Green Spring (heavy load): can be compressed to 72% of the total length.
- Brown Spring (X heavy load): can be compressed to 76% of the total length.
Size Eg:8mm*4mm*15mm (8mm=Outer Diameter , 4mm=Inside Diameter , Length=15mm)