The sharpener of the mechanical Pencil is a solid casting that does not split. At the top cover of the pencil, unscrew it to use. The detachable finger grip features a threaded interface design, making it more secure and reliable. The body design of the mechanical carpenter's pencil is a rounded triangles, providing better grip when in use; It is not easy to roll when placed on a slope. The circular triangular body makes it more sturdy and durable, and provides a larger clip design. The clip is very sturdy and not easily broken. Mechanical Carpenter Pencil Set, a must-have tool for all , architects, and construction workers! This mechanical pencils with fine points for precise marking. Our mechanical carpenter pencils are designed to be durable and long-lasting, making them perfect for use on all types of surfaces. Whether you need to , metal, or concrete, our pencil set will get the . But that's not all - our pencil set making it the perfect all-in-one marking tool. Material: plastic colour: red+black Package Contents: 2 x carpenter pencil 18 x Pencil refill 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.