Goldjoy&reg; 5 Position 1in Diameter Tactical Flashlight / Laser Weapon Mount For Olight,Fenix,JETBeam /JET-III and many more 1" Diameter size Flashlight It's revolutionary design allows it to be clipped onto most weapons with a picatinny rail Quick release mounting makes it super easy to put on and take off your flashlight. Designed to be compatible with all weaver/picatinny style rails Fit all flashlights with 1" diameter The all new is constructed from a hard compound plastic which offers superior shock resistance and eliminates the possibility of scratching your equipment.