Scotty Rail Mounting Adapter Round Rail 0. Provides versatile mounting without having to drill more holes in the boat. Stainless steel fasteners (included) hold this tough mount securely in place. Works with all Scotty post mount rod holders and is designed for use on 7/8" round rails. Specifications for Scotty Rail Mounting Adapter: Manufacturer: Scotty Fabric/Material: Fiber Reinforced Nylon Color: Black Application: Kayaking Weight: 0.54 lb Features of Scotty 287 Rail Mounting Adapter Provides versatile mounting without having to drill more holes in your boat Perfect for boats with limited mounting surfaces Works with all Scotty post mount rod holders Fits 7/8 round rails Package Contents: Scotty Rail Mounting Adapter Scotty 0287: 287 Rail Mounting Adapter Round Rail