【The best pencil recommended by professionals】This carpenter's felt pen has everything a handyman needs: it is solid, precise, practical, and thanks to its red color you can find it everywhere! Even in the middle of a construction site Moreover, its fine tip of 6 mm and 43 mm long allows it to draw in the holes where the other grease pencils do not go. And if you extend the lead you can even draw in the 2.8mm holes!【Effective scientific design】The pencil of the carpenter pencils marker can be simply replaced; We designed it as a knife roll in the pen nib position, so there is no need to buy a sharpener separately; After using the pencil sharpener, install the pencil on the top of the pen; Normal storage won't take up much space or lose small items.【Humanized Material】These strong carpenter pencils are designed with metal and rubber materials, which can give you a comfortable and non-slip writing experience ; A quality sleeve will protect your pen core from damage and relieve finger pressure while writing.【Marks on Various Surfaces】Strong carpenter pencil can draw on metal, plastic, glass, wood, paper; Drawing pencils are strong, which are grease to trace all over and stronger than hard; Yellow can be drawn on dark surfaces where gray does not draw.【Package Content】You will receive 3 carpenter mechanical pencils with small sharpeners on top, and 6 black pencil leads, 6 black pencil leads, yellow pencils and 6 red pencil leads. Sufficient quantity and thoughtful collocation will meet your marking, drawing and woodworking needs.