Water-proof Carry Bag Research has shown that over 85% of fiber optic network failures are caused by contamination on the optical connector end-face. For optimal optical performance, it is essential that all fiber optic connections are clean and free of contaminants. This is a practical and useful tool kit We have carefully selected and grouped essential fiber optic cleaning products to meet your cleaning needs. These tools effectively and quickly clean connector end-faces, removing dust, oil, and other debris. Cost-effective fiber optic cleaning solution The fiber clean cassette can be used more than 550 times for FC, SC, and LC connectors, while the 1.25mm and 2.5mm one-click fiber cleaner pens can be used more than 800 times, offering a low cost per cleaning. High-quality products for wide application Suitable for splice preparation, cleaning connector end-faces, and use with bulkhead adapters. Helps prepare splices and clean connectors to maximize network performance. Material: Plastic + metal Color: As shown in image Package Contents: 1 x Fiber Cleaning Cassette 1 x 1.25mm Cleaning Pen 1 x 2.5mm Cleaning Pen 1 x 1.25mm Cleaning Cotton Swab Kit (100 pcs) 1 x 2.5mm Cleaning Cotton Swab Kit (100 pcs) 1 x Dust-free Paper Kit (50 pcs) 1 x Air Blower 1 x Brush 1 x Alcohol Pump Bottle 1 x Water-proof Carry Bag Note: Only the items listed above are included. Other items are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.