[Pencil Refills]: You will receive 5 boxes 30Pcs HB graphite refills. Different colors and enough quantities carpenter pencil refills can meet your needs for your daily use. The refills extend the lifespan of those carpenter pencils.[3 Colors Replacement Refills]: You can choose a suitable pencil lead according to the surface color of the drawing area. yellow and red pencil refills make it easy to draw even on dark surfaces. Different colors can be used as different markers.[Premium Material]: The grey pencil refill is made of high quality graphite for smooth writing and not easy to break. The yellow and red refills are made of high-quality wax, which is strong and durable.[Practical]: The mechanical pencil refill is 28mm in diameter and 120mm in length, suitable for long distance deep hole pencils. its 28mm diameter allows you to draw in holes that other oil-based pencils cannot enter.[Wide Application]: These deep hole woodworking pencil refills can easily mark the surface of wood, paper, plastic, metal and other materials, which can be used in woodworking pencils, tracer pencil, construction pencil, mechanical pencils, marking pencil, line drawing tools, sculpting tools, center scriber, layout , etc.Material:graphitecolour:red+black+yellowPackage Contents:5 boxes x pencilsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.