Deep-hole maker: the deep-hole carpenter pencil designed with extended and needle-nose tip of 45 mm in length, reaching hard-to-reach areas where other carpenter marker do not go, suitable for marking through holes or in other tight areas.   Built-in sharpener for precise marks: this carpenter pencil is equipped with a pencil sharpener, the pencil sharpener is screwed into the top of the mechanical drawing pencils, which won't get lost either and your mecanical pencil will always be sharpened for nice precision   Marks on various surfaces: the mechanical marking pencil can not only draw on wood, but also can be applied for metal, concrete, ceramic tiles, cement, paper, etc. suitable for carpenters, architects and designers; You can choose the appropriate color according to the color of the drawing surface. Yellow can be draw on dark surfaces where grey do not draw   Practical and portable: the solid mechanical pencil is humanized with a larger diameter to improve the feeling of griping, which will not easily slip out of the fingers; With the pen clip design, our carpenter drawing pencils can be easily hung in the pocket, convenient to carry and not easy to lose.   Refillable for long use: the woodworking pencils set contains 2 pieces of carpenter mechanical pencils and 24pieces refill leads of 2 colors, which are sufficient quantity to meet your diverse woodworking marking needs for a long time.      Material:Plastic + Graphite   colour:Red+blue      Package Contents:   1 * red pencil   1 * blue pencil   2 boxes * red refill   2 boxes * yellow refill      Only the above package content, other products are not included.   Note: Light shooting 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.