Features： 1、No Break: Made of heavy duty metal for hard jobs, this carpenter's pencil is less likely to break or come loose during the construction process. 2、Extended Tip: The deep hole carpenter pencil features an extended tip design that makes it easy to get many areas, making it suitable for marking through holes or other narrow areas. 3、Built in Pencil Curler: This pencil comes with a pencil curler at the top of the pencil, so there's no need to get a separate curler and you won't lose it. It keeps the pencil incisive and accurate at all times and is easy to use. 4、Clamp Design: The carpenter's pencil features a clamp design that easily hanging in your pocket and the thick, sturdy 2.8 mm(0.11in) pencil refill make you can easily complete your drafting tasks. 5、Marking on Various Materials: These sturdy mechanical carpenter pencils can be applied to draw on metal, plastic, glass, wood, paper, etc. Specification： Item Type: Carpenter Pencil Material: ABS, metal Package List： 1 x Carpenter Pencil 12 x Pencil Refill 2 x Storage Box