• Enhanced nylon material: cable clamps with steel nails are stronger than self-adhesive ones, ensuring cables do not fall and preventing rework. • Can be nailed into concrete walls. • Wide application: ideal for USB cables, telephone line, Ethernet cable, closed route, computer power cable, and VGA video cable. • Easy to use: simply nail the cable clips into the mounting surface with a hammer. Suitable for wood, cement, plaster, brick, channels, walls, boards, baseboards, etc. • 7 different sizes: round cable clips of 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 10 mm, 12 mm, adapting to different needs. • 600 pieces in total to meet various occasions. • Organized and tidy: suitable for organizing all kinds of cables in your home and office, keeping cables in order and providing a cleaner and safer living space.