G4 NiTi Tension Springs Kit

Kit (120 pieces plus accessories) with all nickel titanium springs to apply 150g traction.

Selection of the appropriate tension spring:
1. use the flexible scales to measure the distance between the hooks.
2. the recommended 150g tension spring is indicated on the back of the scale.

Kit contents:
- 2 x 9 mm (light)
- 3 x 9 mm (medium)
- 3 x 9 mm (heavy)
- 2 x 12 mm (light)
- 2 x 12 mm (medium)
- 20 x flexible scales
- Tensile force table
- storage box