The Fenix ALG-00 Picatinny Rail Mount enables you to attach your Picatinny Rail compatible flashlight securely without any additional mounting hardware. Designed with precision and durability in mind, this mount is perfect for any flashlight with a diameter between 0.9-1.02 inches, ensuring a snug fit on your rail. The adjustable clamping system keeps your light firmly in place, even during intense activities like reloading. What sets the Fenix ALG-00 apart is its tool-free installation; it screws effortlessly into place, offering a versatile and user-friendly mounting solution. Whether for professional duty or recreational use, trust the Fenix ALG-00 Picatinny Rail Mount to provide a dependable and hassle-free way to equip your flashlight.