100PCS Cable Number Markers — 4.0mm (also available in other sizes and quantities) Keep wiring clear, organized, and safer by labeling each cable with a visible numeric marker. These plastic cable markers make identification fast and reduce the risk of accidental disconnections and configuration errors in any wiring setup. Key benefits Enhanced safety and accuracy: Clear numbering prevents mix ups and helps avoid accidental reconnections or maintenance errors. Faster maintenance and troubleshooting: Quickly identify specific circuits and cables to reduce downtime and speed up repairs. Neater, more organized installations: Maintain a tidy workspace and make future changes easier to manage. Easy to install: Slip the marker onto the cable for immediate identification without special tools. Product features Material: Plastic for lightweight, easy handling. Type options: 1.5mm2, 2.5mm2, 4.0mm2, 6mm2 (select the size that matches your cable cross section). Quantity options: 100 pieces or 150 pieces per package. Size details: 1.5mm2: approx. 3.1 x 2 mm (0.1 x 0.1 in) 2.5mm2: approx. 4.8 x 3.0 mm (0.2 x 0.1 in) 4.0mm2: approx. 6 x 4.0 mm (0.2 x 0.2 in) 6mm2: approx. 7.2 x 6 mm (0.3 x 0.2 in) Package contents 100 or 150 pieces of numbered cable markers, depending on selected option. Typical applications Home AV systems and entertainment centers: Label speaker, HDMI, and power cables to match inputs and outputs easily. Office networking and server racks: Mark patch cables and power leads for faster identification during moves and maintenance. Industrial control panels and electrical cabinets: Number control wires and circuit connections to streamline diagnostics and reduce wiring errors. Notes on use Choose the marker size to match the cable diameter or cable cross section listed as mm2. Slide each marker onto the cable so the number is visible at connection points and junctions. Store spare markers for future modifications or installations. This product provides a practical, low cost way to improve cable management, reduce errors during maintenance, and keep wiring systems easier to work with.