Truglo BRITE-SITE sight set Glock 17, 17L, 19, 22, 23, 24, 26, 27, 33, 34, 35, 38, 39 steel fiber optic Red front, green rear. These high contrast fiber optic sights feature a 3 dot pattern with a single front dot and 2 rear dots. Fiber optic technology lets these lights Gather ambient light and direct it toward the shooter's eyes, making the sights glow bright without the need for batteries. Perfect for all types of daylight shooting. Features:- uses traditional fiber optic technology - cnc-machined steel construction - contrasting Red front and green rear - concealed fiber cannot be seen by target - fits standard holsters - snag-resistant design - fits the following models: Glock 17/17L, 19, 22, 23, 24, 26, 27, 33, 34, 35, 38 & 39Specifications:- type: handgun sight - material: fiber optics - color: Red front/green rear - firearm type: Glock 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 38, 39".