2-piece carpenter pencils: refill design extends the life of carpenter pencils, easy to use, strong and not easy to break, suitable for carpenters, builders, businessmen or anyone who needs a durable pencil that will mark a variety of surfaces. Scriber: Scriber adopts tungsten carbide tip, which can mark on hard materials, such as hardened steel, stainless steel, ceramics and glass, an essential machining tool can deliver a precise line. Comfortable and easy-to-control design: Convenient pen-style design with handy pocket clip, nice weight balance and an aluminum handle comfortable non-slip knob that provides maximum control. Package includes: Comes with 2 carpenter pencils, 12 marker refills and 1 engraving pen, enough quantity for daily use and replacement. Marker Refills: Mines of graphite are optimized for increased durability and resistance to humidity, with 12 leads for use with a carpenter's pencil (2 red, 10 black).