The Tritium phosphor-filled lamps deliver consistent illumination for low-light environments, while the sapphire jewel ensures even light distribution for a clear sight picture. Encased in protective aluminum sleeves with silicone rubber cushioning, the lamps are built to withstand impact and rigorous use. The orange front sight enhances visibility and focus, while the metal rear sight adds stability and durability. These sights are a dependable upgrade for shooters seeking performance and reliability in their Smith & Wesson firearms. – Model: Suppressor/Optic Height Night Sights