The Taco Marine ShadeFin Mini Kayak Mount is designed for most sit-on-top kayaks. The outer sections of the mount extend out from the center â enabling the width to be adjusted, depending on the size of the Kayak, up to 26.75 . The Kayak Mount also pairs with most standard kayak railing systems on the market, such as YakAttack GearTrac.•Powder coated aluminum•Includes well nuts and mounting hardware•Adjustable base up to 26.75" wide•3-year limited warranty Works with standard kayak railing systems Includes mounting hardware for installation