Material: 65Mn Spring Steel
Outer diameter: 22mm / 25mm
Inner diameter: 11mm / 12.5mm
Length: 20mm - 300mm
Yellow spring (light load): can be compressed to 42% of total length
Blue spring (light load): can be compressed to 52% of total length
Red spring (medium load): can be compressed to 62% of the total length.
Green spring (heavy load): can be compressed up to 72% of total length
Coffee coloured springs (X heavy load): can be compressed up to 76% of the total length.



Friendly reminder:
(1) Due to the lighting effect and shooting angle and other reasons,the product has a colour difference, please understand.
(2) Due to manual measurement, there are errors in product size.
(3) You can find more products with different materials,types, colours, sizes, quantities and shapes in our shop.If youhave special needs, please contact us,we can customise them for you according to your needs!
(4) If you have a big demand, you can find us a discount!