1、Multifunctional: The mechanical woodworking pencil set includes 12 vibrant colored pencil refills along with a preinstalled black core. This variety allows users to choose different lead colors based on their specific needs, making it suitable for sketching, crafting, and artistic drawing. 2、Slick And Retractable Design: The drawing mechanical pencil features a slick, retractable mechanism that allows for easy advancement of the core with just a gentle push. This convenience ensures that you can seamlessly continue your work without the hassle of sharpening, making it suitable for outdoor use. 3、Lightweight And Comfortable Grip: Our mechanical carpenter pencils are lightweight and ergonomically designed for a comfortable grip, making them easy for anyone to use, be it beginners, children, or adults. Their portability allows you to carry them with ease, ensuring you' re always prepared for your next project. 4、Excellent Quality Refills: Designed for sketching, drawing, testing, woodworking, and crafting, these excellent pencils provide good performance across multiple tasks. Whether you’re drafting plans, creating artistic renditions, or marking materials, these pencils deliver accuracy and ease of use. 5、Wide Application: This set is suitable for construction and crafting professionals, as the pencils can mark on multiple surfaces including concrete, metal, plastic, ceramics, wood, and paper. They provide excellent durability and visibility, making them essential for contractors, welders, carpenters, electricians, architects, and builders who require accurate markings similar to those made with chalk marking pencils. Item Type: Construction Pencil Set Material: Graphite Use: A long lasting marking pen suitable for various works such as construction, woodworking, flooring, welding, and maintenance. Can be used to draw on concrete, metal, plastic, ceramics, wood, and paper. This tool is good for contractors, welders, carpenters, electricians, architects, and builders to make accurate markings on various surfaces, similar to chalk marking pens. Refill Size: Approx. 2mm / 0.08in 12 x Colored Pencil Refills 1 x Pen (including Refill) 1 x Storage Box 1 x Storage Bag