- Swedish design.
- 83 10: 90° curved jaws.
- 83 20: 45° angled heads.
- 83 30: Slim. S-shaped jaws, curved 45°.
- Teeth machined against the direction of rotation.
- Teeth extra induction hardened.
- Double T-shaped handle.
- Adjuster nut secured against loss.
- Grips red powder coated, jaws clean ground.
- Chrome vanadium steel, oil-hardened and tempered.