Featured is a new series of pre-assembled spring hinges designed for injected spectacle frames. It is produced with the "SMART" patented anti-rocking system for the most comfortable fit. Models of various specifications are available for selection.

• Three different sizes: 3.5 - 4.3 - 5.5.
• Available also with 90° combination.
• SPORT 4.3, SPORT 3.5.