Replace your worn and dangerous springs, and restore the bouncing power of the old sagging pads.
Material: Spring steel
Outer Diameter: 20mm
Inner Diameter: 10mm
Length: 70mm - 300mm
Size: Outer Diameter x Inner Diameter x Length
e.g: 20x10x300mm; means Outer Diameter=20mm Inner Diameter=10mm Length=300mm
Feature:
yellow spring (extra light load): can be compressed to 42% of the total length
The shape is rectangular, and the whole is subjected to strong pressure treatment, which is not easy to be deformed or broken.