SeaLux Rail Mount clamp Bracket Set with Stainless Steel Mount Plate and Nylon Brackets for 7/8" - 1" tubing SeaLux Rail Mount Bracket Set design for 7/8 -1 tubing Stainless Steel Backing Plates and Injection Molded nylon brackets Nylon Mounting Parts allow for positive attachment without scratching or marring the tubing This rail mount bracket set allows vertical, horizontal or surface mount, available to attach flag pole, cleat, fender holder hook, navigation lights and more A versatile foundation for mounting equipment to railings