Trijicon DI Night Sight Standard Replacement Kit Green Fiber & Black Retainer. These Tritium Night Sights Fiber Optic Sights from Trijicon include everything you need to get your DI Night Sights back up and running again. This is the standard kit with green fibers a black retainer replacement and the T10 Torque L-Key to make the replacements simply and easy with an at-home swap. No need to take your gun to an armorer or gunsmith Trijicon has been recognized as a leader in the industry of premium night-sight solutions and these parts are original proprietary replacements. Specifications for Trijicon DI Night Sight Standard Replacement Kit: Manufacturer: Trijicon Color: Black Illumination Type: Fiber Optics Illumination Color: Green Package Contents: Trijicon DI Night Sight Standard Replacement Kit 2ea. - Green Fiber Replacement Pieces 1ea. - Black DI Retainer 1ea. - T10 Torque L-KEY Trijicon AC50011: DI Night Sight Standard Replacement Kit Green Fiber & Black Retainer