Including 4 yellow perforated strips (5m per roll), it fits rough-in, industrial, and commercial wire marking/securing needs.As a drywall cable holder, its cross holes let you thread wires and drive nails easily, no extra cutting-saving wiring time. Instead of ordinary mixed materials, we use PP material for these perforated strips for electrical wire. it offers excellent insulation to eliminate the risk of wire leakage during threading, and it has no pungent odors - even when used in enclosed ceilings or wall cavities, it won't release harmful gases. Each yellow perforated strip measures 5cm wide and 1mm thick, with cross holes spaced for optimal performance. The wire marking strip securely fits wires up to 1.3cm in diameter to prevent loosening, making it a practical addition to your rack a tiers electrical tools, while also allowing nails/screws to pass through easily. The industrial warning yellow stands out-easy to spot in dim areas (basements, equipment rooms) to reduce mistakes.The perforated strip also enables wire function color-coding, ideal for factories/malls as a reliable electrical wire holder. Ideal for residential rough-in, factory wiring, mall renovations, and even outdoor electrical projects.Works with various wire types and installs smoothly on drywall, wooden studs, or metal brackets.One strip meets most indoor/outdoor electrical marking and securing needs, performing effectively as an electrical wire holder for drywall and beyond. Welcome to Hanezo Store! We are here to serve you with the utmost dedication. Product Name: Perforated Strips Specification: Color: Yellow Length: 5m Including: 4 pcs Perforated Strip Feartures: These perforated strips are made of PP material, providing insulation performance and having no pungent smell. Each perforated strip has a total length of 5 meters per roll and can safely fix wires with a diameter of up to 1.3 centimeters. The color of the perforated strip is yellow, which is convenient for immediate identific