Can be fixed on any clean and smooth surfaces. Material:Our cable tidy clips are made of plastic and steel. That means the clips won't break easily and steel nails are not easy to bend Fit for home, office, factory. Special for power cords, phone lines, reticle, etc. Cable clips ideal for home and office different cable management.cable clips have thickened and widen plastic clips, thickened pillar of nails. Cable wire clips with special one-piece pressing, nail in cable clips outdoor have long enough nails to get the job done. Our cable staples are tough and slip-resistant, and will never slide out or loosen while nailing the bracket down., Manufacturer: KUARWDVF