[Easy to Use and Carry] The metal pen body is knurled for easy grip, which reduces hand fatigue and is not easy to slip in the hand. The carbide pen has a clip to hold it in your pocket. Do not throw the protective vinyl cap over the pen tip as it helps prevent the tip from damaging anything while storing or while holding it to your pocket. [Durable Metal Writing Tools] The carbide writing pen body is made of high-quality aluminum, the pen tips are made of sturdy tungsten carbide, durable, sharp, high hardness, which will not dull in the short term. The ruler is made of high-quality stainless steel, thick, transparent scale, wear-resistant and will not rust, centimeter and inch scales are engraved on both sides [Marking Tools with Plotter] Each replacement tip comes with a protective vinyl cap over the pre-installed tracer tip. Sufficient quantity is enough to meet your family's daily use for years [Unique Magnetic Block Design] The tungsten carbide marker pen head is designed with a magnet, which can pick up some small parts and iron filings. At the same time, you can also stick it on your toolbox, easy to find and not easy to lose [Wide Application] The sleek and durable design of our tungsten carbide plotter is sure to impress, making it an excellent addition to your workspace. You can use them widely on a variety of hard materials such as glass, wood, metal and ceramics. You can use it to mark, draw, sign, it is also an easy way to keep track of belongings, Weight: 0.13889122506 pounds, Manufacturer: Deger