Features: Our carpenter pencil refill is selected from Graphites, ensuring that each refill have excellent hardness and smoothness, providing you with a more comfortable writing and drawing experience. Due to its high hardness and smoothness, our refill is more durability and less prone to breakage, allowing you to continuously unleash your creativity. Our carpenter pencil refill can be used in a wide application, including woodworking, writing, drawing, sketches, and more, providing you with a stable and long-lasting writing experience. We have specially standard 2.8mm round refill replacement that can easily adapt to various mechanical pencil holders, allowing you to freely expressing your creativity. Our packaging box have a unique that makes it easy to open and access the refill. Ensuring convenient storage and retrieval while also protecting the refill from damage during transportation. Specifications: Component:Graphites Color:Black/Redness+Yellow+Black/Redness+Yellow Size:Approx.120mm/4.72inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 18Pcs Carpenter Pencil Refill