Features: Brand new and high quality. VERSATILE & PRACTICAL: Suitable for most inkless wooden pencils, metal inkless pencils, and acrylic eternity pencils. HOT TIP: Please check your refill style from the pictures to ensure this refill fits your pencil before ordering! Smooth Writing: These pencil refills provide smooth writing performance, with no need for sharpening or ink. Enjoy comfortable writing without worrying about ink interruptions. Perfect for writing, drawing, and sketching. Widely used in studies or work. Features: The tip is made of quality and special synthetic metal material, not easy to break, and has a long service life. The color of the pen tip is similar to wooden pencils, which writes smoothly and is easy to erase. The pen tip has a screw interface design, which can be easily removed and replaced. Multiple Pen Refills: Five different replacement pen tips: HB pencil tip; 0.5mm pencil tip; 0.8mm pencil tip; 0.5mm pen refill; 0.5mm Gaoshi pen refill. Easy to use. Ideal Wooden Pencil Replacement: Each eternal pencil head is a perfect replacement for more than 100 wooden pencils. Greatly motivates children's interest in writing and studying. An ideal choice for kids, boys, girls, students, teachers, friends, painting lovers, pros, and beginners. Specifications: Weight: Approx. 5g Material: Synthetic Metal Type-0: 0.5mm Pen Refill Type-1: 0.8mm Pen Refill Type-2: 0.5mm Pen Refill Type-3: 0.5mm Pen Refill Type-4: 0.5mm Pen Refill Pen Refill Size: Approx. 11.1cm/4.37in Gaoshi Pen Refill Size: Approx. 11.7cm/4.60in 0.5mm Pen Tip Size: Approx. 16x5mm/0.62x0.19in 0.8mm Pen Tip Size: Approx. 17x5mm/0.66x0.19in Note: 1. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 Piece Inkless Pen Refill