It can be used to bundle and sort various cables and wires, such as the fixing of wires of lighting, oil pipelines of mechanical equipment, etc. Widely used in household, construction, electronic, auto, cable and wire assembly, outdoor activities. Instead of a tie mount and a separate zipper tie, it is easy to install and use, saving a lot of time. The head of cable tie adopts a special design, which can be applied to substrates of various thickness or threaded single-sided apertures to enhance the stability of the installed pipelines and wires. Made of nylon plastic with flame resistance. It has a stronger overall flame resistant effect. Dimension: Size: 210mm*5mm/ 8.3" * 0.20"(L*W); Head Diameter: 8mm/ 0.31"; Fits into 1/4" holes. Package Content:50Pcs Nylon Cable Zip Ties; Color: Black.