This telescope adapter is a great gift for friends and family, suitable for occasions such as birthdays and Thanksgiving. Good quality: Made of high-quality metal material, sturdy and durable, not easy to break or deform, ensuring long-term use. Metal astronomy telescope adapter: Constructed from metal alloy, designed for astronomical telescopes to assist in accurately connecting optical components. This handy hybrid adapter allows you to use older 2-inch (50.8mm) format eyepieces with modern telescopes that accept only 1.25-inch (31.7mm) format eyepieces. Features a compression ring to prevent damage to eyepiece barrels. Metal eyepiece adapter: Durable metal construction enables easy installation and removal. Color: As shown. Material: Metal. Package Contents: 1 x Mount Adapter. Note: The package includes only the items listed above; other products are not included. Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.