Strong and reliable for long-term use: The pen holder is made of metal, designed for durable performance. The adhesive backing provides convenient mounting and is suitable for most applications. Retractable ring design: Features an adjustable spring ring made of manganese steel. Each ring expands from 7 mm to 18 mm in diameter, accommodating most pen and pencil sizes. Generous quantity included: You will receive 10 adhesive pen holders. Compact and lightweight, they are easy to carry and store, providing ample supply for everyday needs. Practical and thoughtful gift: Ideal for colleagues, teachers, friends, doctors, nurses, and more. A functional accessory that adds convenience to daily routines. Wide application: Can be attached to dry, flat surfaces such as whiteboards, refrigerators, wipe boards, bulletin boards, maps, and calendars. Helps organize shopping lists, pens, pencils, and other small items, keeping them within easy reach. Color: Black Material: Metal Size: Clip width 18 mm Package Contents: 10 x Pen Holder Note: Small parts. Not suitable for children under 3 years. Package includes only the items listed. Other accessories are not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by +/- 1-3 cm.