Features: Equipped with protective function, it can effectively protect the flashlight or redness dots sight from impact, scratches, and other external damage. Crafted from polycarbonate material, it have impact resistance and durability, and can bear various harsh environment and use conditions. Suitable for different model of flashlight and redness Dots Sight to ensures fit between the protective Cover and the equipment, without affecting normal use functions. The protective Cover is lightweight, easily and fast to install, without the need for additional tool, allowing users to quickly install it on the device. Suitable for 1, 2, X300V, X400V and other model, providing comprehensive protections functions. Specifications: Material: polycarbonate Style: Protective Cover 26mm(1.02inch)/Protective Cover 28mm(1.10inch)/Protective Cover 30.0mm(1.18inch) TLR1 use/Protective Cover 30.0mm(1.18inch) use/Protective Cover 38mm(1.18inch) Size: As show in the picture lmpact Resistence: 500FPS Package Includes: 1x Len Guard note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.