German Trifix mainsprings are regarded as the best available, manufactured from high quality spring steel.
We have the following size in stock
Height x Thickness x Length x Diameter
- GFX 18 x 0.40 x 1600 x 40XA
- GFX 18 x 0.40 x 1700 x 45XA
- GFX 18 x 0.30 x 1250 x 30XA