Effective scientific design: The pencil core of the woodworking pencil marker pen can be easily replaced; we designed the pen tip in the form of a sharpener, so there is no need to purchase a pencil sharpener separately; after using the pencil sharpener, install the pencil core in the Pen tip; normal storage will not take up too much space or lose small objectsMore suitable for woodworking: This automatic pencil lead is thicker and stronger with a 2.8 mm thick pencil lead; it will not be easily broken or damaged during the construction process; you can complete your drawing work effortlesslyPractical, fountain pen: This construction woodworking marker is sturdy, precise and practical, and because of its red color, it can be clearly seen even in the middle of the construction site; in addition, its 6mm and 43mm long fine points can be inaccessible to oily pencils Drawn in the hole, this is a practical and designHumanized material: These solid wood pencils are designed with metal and rubber materials to provide you with a comfortable and non-slip writing experience; high-quality sleeves will protect your pen core from damage and reduce finger pressure during writingsize:Approximate pen length: 14.5cmMaterial:plasticcolour:RedPackage Contents:1 x marking pencils24 x replacement pencil leadsOnly 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.