Trijicon's bright & tough night sights feature a white ring around the glowing dots for daytime visibility, and for illumination in no light or low light conditions, a tritium-phosphor lamp protected within an aluminum sleeve and capped with a sapphire jewel to evenly distribute light and protect from solvents and puncture.Bright & tough night sights have a metal body with a silicone rubber cushion for shock protection to the tritium-filled glass lamps.This night sight set is taller, designed to work with a suppressor.It fits glock models: 17, 17l, 19, 22, 23, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 37, 38, and 39.Rear Color: Green with White OutlineType: Tritium Front/RearFrame Material: AluminumFrame Color: BlackFirearm Fit: Glock 34Base Configuration: DovetailStyle: 3-Dot Suppressor HeightFront Material: TritiumRear Material: TritiumFront Color: Green with White OutlineFirearm Type: Pistol