Features Cleaning Pen and Box: The fiber optic end cleaning pen can effectively remove 99% of stains, with over 800 cleaning times. The fiber optic cleaning box has over 550 times, and SC FC ST LC can replace the kernel. High Efficiency: Easily remove dust, oil, and other debris from the fiber. Manual operation, lightweight design, replaceable kernel. Provides excellent end and connector polishing without the use of solvents. Fiber Cleaning Paper: This type of fiber optic cleaning paper has strong antistatic performance, which can be dust proof from reattaching to the kernel after cleaning. Non woven fabric is suitable for both wet and dry use. Portable Storage Bag: This kit comes with a portable storage bag that can be carried on the shoulder or by hand, making it convenient to organize and store these fiber cleaning tools, for easy use and portability. 11 Pieces Fiber Cleaning Kit: Including 1.25mm and 2.5mm optical fiber end cleaning pens, cleaning box, end cleaning paper, 1.25mm and 2.5mm cotton swabs, brush, etc., to meet the basic cleaning needs of optical fiber. Specification: Item Type: Optical Fiber Cleaning Tool Kit Fiber End Cleaning Box: Cleaning >550 Times, SC FC ST LC, can replace kernel Fiber End Cleaning Pen: For 1.25mm LC MU x 1, for 2.5mm SC FC ST E2000 x 1, Cleaning Times: >800 Times Application: For SC FC ST LC MU Connectors Storage Bag Size: Approx. 20.5 x 13 x 10.5cm / 8.1 x 5.1 x 4.1in How to Use: Follow the manual instructions packing list: 1 x Fiber Optic Cleaning Box 1 x Fiber Optic Cleaning Box User Manual 2 x Cleaning Pen (1Pc for 1.25mm, 1Pc for 2.5mm) 2 x Cleaning Pen User Manual 1 x Empty Bottle 1 x Cleaning Box Replacement kernel 1 x Cleaning Paper 1 x Brush 1 x Air Blower 1 Pack 1.25mm Cotton Swab (100Pcs) 1 Pack 2.5mm Cotton Swab (100Pcs) 1 x Storage Bag Shoulder Strap 1 x Storage Bag Package List 1 x Fiber Optic Cleaning Box 1 x Fiber Optic Cleaning Box User Manual 2 x Cleaning Pen (1Pc for 1.25mm, 1Pc for 2.5mm) 2 x Cleaning Pen User Manual 1 x Empty Bottle 1 x Cleaning Box Replacement Core 1 x Cleaning Paper 1 x Brush 1 x Air Blower 1 Pack 1.25mm Cotton Swab (100Pcs) 1 Pack 2.5mm Cotton Swab (100Pcs) 1 x Storage Bag Shoulder Strap 1 x Storage Bag