Humanized design. The refill design extends the life of carpenter pencils, a practical pen-style design with a convenient pocket clip, good weight balance and a comfortable non-slip knurled aluminum handle that provides maximum control.Deep hole with long nose and built-in sharpener. The sharpener is all in one on top of mechanical drawing pencils, super convenient to use and not easy to lose. The deep hole carpenter pencil designed with an elongated tip and 45mm long tapered nose, reaching hard to reach areas, allowing you to draw accurately in the hole and other narrow areas.Wide applications. The mechanical marker pen can not only draw on wood, but also can be applied on metal, concrete, ceramic tile, cement, paper, plastic, etc., suitable for carpenters, architects and designers; Yellow can be drawn on dark surfaces where gray does not draw, you can choose the appropriate color according to the color of the drawing surface.colour:Red+blueMaterial:Metal + plasticPackage Contents:1 x Red Carpenter's Pencil1 x blue mechanical pencil1 box x 12 refills (2.0mm gray)1 box x 6 refills (2 red and 2 yellow and 2 gray)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.