YOUKE Long Dual Magnetic False Eyelashes, 0.2mm Ultra Thin 3D Reusable Fake Lashes, Full Size Natural Look 1 Pair 4 Pieces-020 Mounted Rail Size: 0.8 inches (20.5 mm), please measure the rail size of your pistol before your order! Fitted: Springfield XD, Ruger 22/45 or P345, Remington 870, Benelli M4, Remington 887, Glock 22 etc. Made of super-bright CREE R5 LED, long lifespan and no change of light source. Weaver slide switch with quick release and 2-mode dimmable: High beam and strobe light. 300-400 lumens and 200-300 feet illumination distance. Note: Please remove the transparent wrapped film of new battery before usage.