Feature: 1. Magnetic Scriber: These marking pens have a magnetic design that helps pick up small parts and can also attract hard to access areas to recover steel chips; Rotate to replace the marking tip, compact design, easy to store and carry 2. User Friendly Design: The handle of the scriber features knurled design, which is non slip and easy to grip; The tip has a protective cap to prevent accidental stabbing; Equipped with a convenient clip that can be clipped into the pocket 3. Sturdy Structure: These marking pens consist of tungsten carbide tips and aluminum shells, which are hard, rustproof, and not easy to break; Pointed tip design, can easily handle various hard materials, not easy to fall off, suitable for long term use 4. Wide Application: Tungsten carbide tip scriber is suitable for metal, glass, ceramic, wood, marble, shell, wall, and other materials, scribing clear lines on various hard materials, suitable for carpenters, workers, painters, or carving enthusiasts 5. Complete Tools: This kit provides 4 marking pens, a marking ruler with inch and metric scale, and 12 replacement pen tips, with sufficient quantities to meet your daily and replacement needs, suitable for more scribing and marking scenarios Specification: Item Type: Tungsten Steel Marking Pen Material: Tungsten Carbide, Aluminum Pen Size: Approx. 130 x 8mm / 5.1 x 0.3in. Package List: 4 x Marking Pens 1 x Marking Ruler 12 x Replacement Pen Tips