Taylor Made Products 1097 Rail or Lifeline Boat Fender Bracket (1/4 - 5/16" Rails ) Injection molded nylon clamp brackets mount securely to 7/8" to 1" railings or up to 1/4" lifelines Double locking clamp design provides for a quick and easy fender height adjustment Use on 1/4" to 5/16" rope Sold in pairs