Truglo Tritium Pro delivers exceptional night-time capability with the added bonus of daytime fiber-optics. The Truglo Tritium Pro line encases the fiber optic and Tritium vial in a steel element. Truglo use the term “hermetically sealed and cased in a steel fortress”. The consequence is say goodbye to any possibility of a fibre optic rod coming adrift in a critical moment. In addition a front sight “FOCUS LOCK” ring completes the package. As a result of the orange focus ring the font sight comes into immediate focus. Furthermore the sight employs the quick and accurate U notch design. Finally the angled rear sight is designed so it can be racked on a belt or other object.