Compatibility: Specifically designed for 10-18MM STM lenses, ensuring a secure fit and reliable functionality. Construction: Made with high-quality materials to withstand regular use and help extend the lifespan of your lens. Easy Installation: Engineered for a straightforward installation process, allowing you to quickly replace a damaged or broken bayonet mount and help save on repair costs. Essential for Lens Maintenance: A must-have for photographers looking to maintain their equipment in top condition, ensuring your lens remains secure and functional. Note: Due to different production batches, there may be variations in product appearance and printed text, which do not affect performance. Color: Black Material: Plastic Package Contents: 1 x 10-18 STM Bayonet Mount Only the above package content is included; other items are not part of this package. Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.