Feature: 1. Applicable Model: This lens aperture group is suitable for 24 to 70mm f 2.8L II USM lens, please confirm the model number before use. 2. Perfect Fit: The aperture group is designed to be accurate in shape and size, and can work normally when installed correctly, replacing the original parts. 3. Reliable: This product has been tested before leaving the factory, and it will leave the factory after passing the test. The performance is stable and you can use it with confidence. 4. Professional Installation: This product is recommended to be installed and disassembled by professional maintenance personnel to ensure the best use effect. 5. Third Party Product: The lens aperture group flex cable is a third party new product, not an original product, but has the same function. Specification: Item Type: Lens Aperture Group Flex Cable Material: FPC, Plastic Gross Weight: 9g / 0.3oz Applicable Model: for EF 24‑70mm f 2.8L II USM lens. Package List: 1 x Aperture Group