Reliable Material: This solid carpenter pencil is mainly made of premium heavy-duty metal which can be used in the toughest jobs, not easy to break or loose cap during construction. with clip design it can be easily hung in the pocket, Solid 2.8mm pencil refills which are thicker and stronger, you can finish your drawing work effortlessly. BEST DEEP HOLE MAKER: The deep-hole carpenter pencils adopt an extended length needle-nose tip design, which can easily reach hard-to-reach areas, suitable for marking through the hole or other tight areas. BUILT-IN PENCIL SHARPENER: This Mechanical carpenter pencil is equipped with a pencil sharpener at the top of the pencil, so there is no need to purchase a pencil sharpener separately, and it 't get lost either. It can keep the pencil pointed and precise, easy to use at any time. MARKS ON SURFACES: These solid mechanical carpenter pencils can be used to draw on metal, plastic, glass, wood, paper, etc.; the 3 color refills are convenient for us to mark on different materials; It is favored by woodworkers, construction workers, contractors, DIY workers, craftsmen, builders, merchants and masons. Material: plastic colour: black+blue Package Contents: 3 x pencils 18 x refills Only the above package content, other products are not included. Note: Light reflection 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.