Dirt, dust and other contaminants are the enemy of high-speed data transmission over optical fiber. Today's network applications require more bandwidth, making loss budgets tighter than ever. It is critical that all optical connections are clean and free of contaminants to ensure application success. CK-004 Deluxe Fiber Optic Cleaning Kits has the best tools to effectively chk and remove the toughest contaminants with ease. The rugged carrying case is ideal for carrying and storing the inspection scope and cleaning components. Kit contains: 1 - FC-003 Fiber Optic Cassette Cleaner 1 - FC-004 Replacement Reel for FC-003 10 - CW-002 Presaturated Wipe 100 - CS-001 2.5mm Fiber Optic Foam Swabs 50 - CS-003 1.25mm Fiber Optic Cleaning Swabs 1 - CW-001 Lint-free Wipes 1 - IPA cleaning pen 1 - WL-D200S 200x Dual Illumination Fiber Microscope