The set includes: 12 wooden pencil extenders, each with a natural wood finish. The diameter is 0.39 inches and 4 inches in length, compatible with most pencil sizes. Function: Slide the pencil into the extender for easy operation and improved grip. The metal clamp securely holds the pencil to help prevent unnecessary waste. High-quality construction: This extension set is made of quality metal and wood. It feels natural in hand, provides a non-slip and comfortable grip, and features a lightweight design. Wide compatibility: These pencil extenders are ideal for adjusting pencil length, suitable for students, professionals, artists, and anyone who uses pencils, colored pencils, or crayons. Easy to assemble: To use, pull down the collar, insert the pencil into the appropriate sleeve, then push the collar firmly to secure. If the sleeve is too large, secure it with tape before repeating the process. Product name: 12pcs Wooden Pencil Extender Color: Wood color Material: Wood + metal Package Contents: 12 x Pencil Extender 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 to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.