Description Pencils: Refill design extends the life of pencils that are easy to use, strong and difficult to break, suitable for use by, builders, businessmen or anyone in need of a tough pencil that will mark a variety of surfaces. Scriber: The scriber adopts a tungsten carbide tip, which can be marked on hard materials, such as hardened steel, stainless steel, ceramic and ceramic. glass, an essential machining tool can provide a precise line. Comfortable and easy to control design: Convenient pen style design with convenient pocket clip, good weight balance and a comfortable non-slip knurled aluminum grip which offers maximum control. Package includes: Comes with 4 carpenters pencils, 24 marker refills and 2 engraving pens, sufficient quantity for daily use and replacement. Marker Refills: Graphite leads are optimized for hard Increased reliability and resistance to humidity, with enough leads for use with a carpenters pencil.