Feature:* The glass scribe features a durable tungsten carbide tip, aluminum body making it work effortlessly on hard materials including hardened steel, stainless steel, ceramics and glass.* The tungsten carbide tip is more durable than others, not easy to drop.* The magnet on this etching tool picks up small parts and takes steel shavings from hard-to-reach places.* Comfort to use: Handy pen-style design with convenient pocket clip, knurled aluminum handle for maximum control and comfort.* Easy to store: Each pen is Equipped with a handle to flip the tungsten carbide when not in use. Specification:* Product name: Scriber pen* Material: tungsten carbide (tip), Aluminum (pen)* Color: silver* Length: approx. 14cm* Suitable for: engraving sheet metal, stainless steel, ceramics and glass. Package includes: 1 x Scriber Pen 10 x Replacement Carbide Tip Notes: 1. Transition: 1cm = 10mm = 0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.