Quality Night Sights for Your Handgun HiViz Litewave H3 Tritium/Litepipe sights combine the latest and greatest Tritium and Litepipe technology for amazing illumination in any light condition. Now you can have the best performance whether you are on the range at high noon, or having to break a critical shot in the dead of night, the Litewave H3 has you covered. Tritium has a half-life of up to 12 years according to the date stamp on the actual sights. These sights are housed in a durable steel housing and feature a matte black finish. Specifications and Features: HI-Viz Item Number: 9EZN321 Front And Rear Night Sight Set Provides Visibility In All Light Conditions Ultra Bright Encapsulated Tritium Green Front With White Ring And Green Rear Steel Construction Fits: Smith & Wesson M&P 9 Shield EZ