Accurate Machining: The shape and size of this flex cable is accurately fit the original camera size, and it will work properly when installed correctly. Rigorous Quality Testing: All the flex cable will undergo strict testing before shipment to ensure their being within specifications. This cable is a third party product, not the original product. Applicable Model: The lens aperture flex cable is designed for EF S 10‑18mm F/4.5‑5.6 IS STM. Please confirm the camera model before purchase. Nice Replacement: This flex cable is designed to replace the broken, damaged, cracked, unusable original parts. It can help you extend the life of your camera. Professional Installation: To ensure proper use, it is recommended that installation and disassembly be performed by professional maintenance personnel.