Protect the RJ45 female jack from dust when not in use. Effectively blocks gaps and prevents dust entry. Small handle allows for easy installation and removal. Dust plugs made of ABS material, soft and flexible, easy to insert and remove. Environmentally friendly with no unpleasant odor. Provides insulation and protection for computer ports, helping maintain appearance over time. Helps prevent moisture absorption, corrosion, oxidation, and short circuits. Reduces static buildup on electronic devices, minimizing risk of damage. Ideal for protecting open ports, identifying inactive ports, preventing unauthorized use, and guiding proper connection points. Designed to fit all standard Ethernet RJ45 ports. Color: Red + Black Material: ABS Package Contents: 100 x RJ45 Port Dust Covers 1 x Black Lock and Key