Item Type: Lens Aperture Cable Material: FPC Gross Weight: 2g/0.07oz Applicable: For EF 24-70mm f/4L IS USM camera Package List 1 x Lens Aperture Cable 1Widely Applicable: This camera lens aperture cable has good performance that is applicable for EF 24-70mm f/4L IS USM camera. 2100 Percents Tested: The lens aperture flex cable is 100 percents tested before leaving the factory, and it only can leave the factory after qualified. 3Accurately Designed: The shape and size of this lens aperture flex cable are designed to be accurate and can work properly when installed correctly. 4Suggestion: It is recommended that the installation and disassembly be carried out by professional maintenance personnel. 5Premium FPC Material: The camera lens aperture cable is made of premium FPC material that it is lightweight and it is third party product.