Expander Medium Max Exp 4.0 mm - PK/10
- A medium double side expander.
- Width: 10.0 mm.
- Max.Exp: 4.0 mm.
- Full Turn: 0.8 mm.
- 1/4 Turn: 0.2 mm.
- Pins & threads are manufactured from medically biocompatible stainless steel.
- Housing made from stainless steel.
- Screw threads have a low tolerance of .01mm and are very secure to ensure stability.
- All screws come with one activation key.
- Transverse expansion in the upper and lower arches.
- Four holes in the expander body for maximum retention in acrylic. Yellow directional arrow.