-grade USB-A metal port lock ensures data safety by blocking unauthorized access to protect files, photos, and trade secrets from theft. Lab-tested port blockers can reduce port failures by up to 75% and extend device lifespan by 30%, saving on repair costs in dusty environments or homes with children. Quick and easy to secure devices in just 3 seconds with removable USB port locks, perfect for travelers needing fast security upgrades. Each set includes two keys for reliable backup access to devices, ensuring you're never locked out. Childproof and employee-proof design prevents accidental damage or unauthorized use of USB ports by children, employees, or cleaning staff. This USB port lock is an essential tool for anyone looking to enhance their data security and protect their devices. Its -grade design offers robust protection against unauthorized access, while its ability to block dust and moisture helps prolong the life of your USB ports. Ideal for both personal and professional use, this device is easy to install and use, making it a practical solution for safeguarding your valuable information. Color: As Shown Material: Metal Package Contents: 24*port lockout blocker kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.