Features Rail Size RequirementCompatible with any standard 20mm-22mm standard picatinny rails. Ergonomic DesignOffset side 45 degree design gives easy access to switch for flashlights. --- Keeps flashlight to the side so it doesn't interfere with vertical grips or hand guards. Solid & Durable AluminumPrecision machining from aircraft grade aluminum alloy with black matte anodizing finish. Sturdy & durable, compact construction offer stable durable performance. Easy to Install & RemoveEasy to mount and release via QD quick release design, come with hex wrench to mount your flashlight conveniently. Specification Type: Offset QD Flashlight Scope Mount Material:Aluminum Alloy Color:as the picture Model:25.4mm Size:70*35mm Package Include: Offset QD Flashlight Scope Mount *1 Allen Wrench *1 Note: There is 2-3% difference according to manual measurement. Please note that slight color difference should be acceptable due to the light and screen. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.