Stylish Stainless Clamp on Adjustable Fishing Rod Holder for Rails 1-1/2" to 1-3/4" Can be mounted to vertical or horizontal rails - Adjustable for rails 1-3/8to 1-3/4" Rubber insert to protect your fishing rod from any wear against the stainless surface Rod holder can be adjusted to 20 different angles when mounted;Easy to install, mounting bracket includes bolts (allen key included). Stopper slot built into the base of the rod holder to located the rod butt into position;Heavy-duty white vinyl liners