- Built-in pencil sharpener: trims the casing of oil pastels or colored pencils to reveal a sharp, well-groomed tip, helping you achieve cleaner lines and improved painting results. - Wide compatibility and size: suitable for colored pencils and oil pastels with a diameter of 1.1 to 1.2 cm, as well as other drawing tools, making it useful for a range of artistic projects. - Gift-ready and practical: expands blending options and tonal variety, making it a thoughtful gift for artists on occasions such as Thanksgiving, Christmas, birthdays, or other holidays. - Ergonomic and comfortable: designed to reduce finger fatigue and enhance the drawing experience. The pen cap provides a comfortable grip and rests at the end of a pastel or wax crayon for stable handling. - Practical use scenarios: - At home or in a studio, keep tips sharp for detailed line work and smoother shading during long sessions. - In art classes, maintain consistent tip quality to support students with varied drawing tools. - For on-the-go projects, quickly refresh tips to ensure reliable performance across different mediums.