1. Sturdy and durable to use, suitable for carpenters, construction worker, businessman, or anyone who need a heavy duty construction pencils for marking2. Our carpentry pencils are equipped with center finder woodworking tool, which can quickly and accurately mark center lines and draw parallel lines on wood board up to 2.5 inch. Magnetic bottom design of the line scriber can be attached to the metal surface for putting the solid carpenter pencil in the hole, convenient to use and storage3. Carpenter marking pencils is designed with a long nosed tip to reach the deep position that other traditional solid pencils cannot enter, which helps to draw precisely in the hole and other narrow areas4. This woodworking marking pencil is built-in pencil sharpener at the end of the pencil, which can provide a convenient and quick way to keep the pencil pointed and precise. At the same time, ergonomic Design solid mechanical pencil will supply you the maximum control force and comfort; It is sturdy, lightweight, easy to hold and control ; Easily attached to the pocket, easy to use and not easy to lose5. Carpenter pencils with sharpener can not only draw on wood, but also can be marked on metal, concrete, ceramic tiles, cement, paper, plastic, glasses etc. Yellow/Black/Red refills, you can choose the appropriate color according to the drawing surfaceColour:red+blueMaterial:Metal + PlasticSize:2.54 x 5.08 x 7.62 cmPackage Contents:3 * mechanical carpenter pencils39 * refills1 * blue center scriberOnly 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.