G4 Reverse Curve Europa II Upper with stops.

Reverse Curve archwires provide excellent counter forces to achieve bite modifications quickly and efficiently, while also improving archform integrity. G4™ Nickel Titanium Archwires are the culmination of years of research and development by G&H® Wire Company. The uniquely enhanced performance and consistency of G4™ NiTi is the result of material science pioneered by G&H®. The G4™ alloy coordinated with proprietary G&H® manufacturing and testing procedures guarantees the force, memory and elasticity properties are consistent as documented.