SWIVEL FUNCTION: Features 360-degree rotation, with 16 locking points spaced every 22.5º capability allowing optimal positioning and adjustment of your downrigger Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! COMPATIBILITY: 2207003 Compatible with for Ca-nnon 3991913 downrigger mounts, ensuring secure attachment and reliable performance PACKAGE CONTENTS: Includes low-profile swivel bases with all necessary mounting hardware for installation Replacement part number: 2207003, Manufacturer: Mcnhbdgg