SAVE TIME – The convenient hole lets you thread your wire through the marker’s tip. This makes wire reidentification a breeze as you mark the entire wire in seconds with one smooth motion. No more tedious phase taping. LESS MESS – Work clean, organized, and consistent. The hole and notch system gives you more control over the marker and wire, preventing paint from covering your fingers or other wires. This wire marker also produces cleaner looking results than tape and in less time. PORTABLE – Easily able to fit in a tool pouch or bag, this electrical wire marker takes care of all your wire re-colouring needs without taking up too much space. Wire marking felt pen A high-density, quick-drying wire marker that makes permanently re-colouring wires simple and fast. With just one pass you can completely and evenly coat wires sized #14 to #10 using the hole. For wires larger than #10 you can use the notched tip. Whether you are reidentifying white wires on NM cables or travelers on 3-way lighting circuits, this marker is the perfect option for changing the colour of your wires. Mark My Wire is available in black, blue, red, and white or a kit of all four colours.