Optical Power Meter and Red Light Pen: OPM supports 7 wavelengths, VFL emits stable and powerful 650nm red light, both have standard 2.5mm interface and are compatible with 3 kinds of interfaces. Optical Fiber Cleaver: All metal, CNC precision machined, tungsten steel blade can automatically rebound, three in one. Optical Fiber Cable Stripper: Can quickly strip the optical cable horizontally and vertically, without damaging the optical fiber, with length positioning, and the scale is clear. Key Hexagonal and alcohol bottle: can be used to adjust the height of the blade edge or replace the blade, adjust the fiber stripper and adjust the size of the opening. The alcohol bottle is suitable for cotton balls, wiping, etc., not easy to volatilize, prevent corrosion and overflow, with anti-spray function, used to clean fiber heads and fiber cores. Other accessories: the 3-port clamp is designed with a comfortable handle, the fiber length fixer is used to locate the cutting length of the fiber, the bag Thick Oxford tools are waterproof and drop-proof.