OOTDTY Features: fresh and nice Scope of application: It can mark challenging materials, adding hardened steel, stainless steel, ceramics and glass. Pointed tip: The metal nib is and simple to draw. Comfortable to use: The convenient pen design affords maximum management and comfort. Durable materials: The glass has a sturdy tip and aluminum body, so it'll easily manage not easy materials, adding hardened steel, stainless steel, ceramics, and glass. Include the screws on the finish on aspect so that you know which side is unused. Specification: Material: Aluminum Length: Approx. 13.6cm/5.35inch Package Includes: 2x Scriber note: 1.Please enable 1-2cm mistakes due to handbook measurement, just be sure you do not mind before you order. 2.Due to the adaptation between diverse monitors, the image won't mirror the actual colour of the item.